Is it normal to let a boy be a girl?

I think it is. Society decides what the gender roles are and how boys and girls should be like. Instead of molding children into what society tells them to be just let them be themselves.

It's called transgender - when a person identifies as a different gender to what they were born with. My best friend is transgender and has been since 13, he (biologically, she) is happy with his choice, although unfortunately some people don't accept him for it. Nowadays transgender is kind of like homosexuality, in that the socially acceptable thing to do is support it but a lot of people really don't.

Bottom line, it is in the process of becoming normal and accepted in our culture, and therefore my final answer is yes.

I think the key word here is 'child'. A parent's job is to guide, teach and protect their children, at times even from themselves.
But children are not necessarily rational thinking beings; they are children, often guided by emotions and irrational behavior. Therefor the parents must guide their child and if necessary not give in to it's every whim.
Something such as cross dressing can be nothing more than a phase or curiosity in a child, and as such should not be indulged as public behavior. If it is more, it is still the responsibility of the parents to protect their child until it is old enough to make a rational decision about something as life changing as transsexualism.

What I think: NO! What you are born is what you will be. You can't change that. Deep down you will always know if you are one gender, you can't be the other.

Now I bet my comment is going to get mauled by people with the "new generation" thinking, claiming that everyone can be anything. Well I'm oldschool. I wanted to be an airplane when I was 6, but after I faceplanted once, I gave up on that XD
The same applies to genders.

I don't see anything wrong with kids wanting to play around and explore the differences between their genders in this way...However if it exceeds just play and the child is serious about this, then I will step in to teach them, as is my responsibility (hypothetically speaking as a parent), I would inform him/her of their gender and tell them that in line with that, they aren't behaving appropriately... My nephew likes to cross-dress sometimes for fun to see how he looks in comparison to his sisters and we all make fun of it but he knows his gender and acts like a typical normal boy.

In this case, i would opt for abortion.

They should let them be themselves but, they must teach them to have a tough skin. The price is that while they find happiness in being themselves, many of them end up committing suicide. Society needs to change its ridiculous stance on gender. This can be done through education. However, some people refuse to be educated, which leaves the only option of government stepping in.

it wouldnt worry me too much , i would be easy going because they could possibly grow out of it and if not , so be it

It's so unfortunate how people can be so hateful to others, even CHILDREN, just because something about them doesn't fit in their tiny minds of what is 'normal'. Especially if it is something that doesn't affect them in any way. That's like getting mad at someone for having blue eyes. We are evolving, that's all.

What's funny is that the discrimination towards the LGBT community is the same as that towards black people in the past 200 years or so. And while there are still racist people today, they are the minority, and usually old, because they were present during that time, so that hate was ingrained into their minds, and today kids are taught that race is no more than a difference in skin pigment, and that there is no superior race.

I can guarantee you that a couple hundred years from now (that is, if humans haven't bombed the hell out of each other for their petty disagreements), people will look back to this era and shake their heads in shame at how barbaric homophobes and transphobes acted towards LGBT individuals. Just like most of us do today when we look back at the KKK era.

With all the evidence that we have that shows how transgender people physically and mentally differ from a "normal" person. In most cases they actually have their brain hard wired like the opposite sex, since birth. Why make them suffer till they're old enough to make the decision on their own. Take ur kid to the doctor. Get a 3d MRI and see if it's genuine. If it is, you start ur kid on hormones and switch schools.

But what is dressing like a girl? Wearing a dress? Maybe he just thinks it looks nice.

I do broadly agree with you, but I'm a bit hung up on the sentence about the "repercussions". I don't agree parents should make it clear there might be a hurtful reaction from other people. For one thing, some people would say it's not always a choice. More importantly - expressing themselves as who they feel they are without having to deal with bullshit from other people is a right. They are entitled to it. If they get hurtful reactions from other people, we shouldn't teach them that it's their own fault because it's their own choice, or that they can make their problems go away by "acting normal". We should teach them that those other people are assholes.

I'm probably going to get flak for this, but fuck it. Someone needs to say it...

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To me, no.

With my own (hypothetical) children, I would not allow this. I would not allow my boy(s) to dress in girl clothing, or similar things like using the girls bathroom for instance, nor would I allow my girl(s) to go into the boys bathroom etc. I find those ideals ridiculous and appalling. However, I will say that it is not as bad for a girl to dress in boys clothing as it is vice versa. It's just not. Girls can be a tom-boy with WAY less repercussions than a boy can be if he is trying to be a girl. There's not even a real unique word for it ("tomgirl" is really just a rip off of "tomboy" when it comes down to it), and that is a point to be made too.

Furthermore, this personal choice is my RIGHT as the parent of my own children, so if you disagree or say that I'm wrong for not allowing my would-be children to do this, then FUCK you. You have no right to tell me how I should raise my own children. That is offensive that anyone would think that way. If you allow this behavior with your children, that is fine. I may not agree with it personally, but that is your choice as the parent how you want to raise your children and it is not my place to dictate your choice.