right away and tell him that you cant quit thinking of his huge throbbing.... well you get the picture,all us guys are assholes and only looking for one thing anyway so quit playing mind games with us and get to the point.
On the 4th day, so you don't seem too keen - and don't answer immediately either. They like to chase, you can't be too eager or too attached to your phone - or you're boring!
I once sent a guy who gave me his number a spam text I sent everyone in my address book, about two months later. Sadly he thought the Happy New Year, with love, was just for him and he was thrilled. I may have the heart to break it to him later.
IMO.. I'm a guy. Whenever you feel like it. Pretty much how the beginning "feel" and relationship starts.. Also on what you're looking for out of that relationship.
No later than a couple days.. The guy may want an explanation.
Cardinal Law says 3 days
No later than a couple days.. The guy may want an explanation.