A: Try talk to him and see how he acts, he might look like a confident guy outside but is he really inside, or at least in front of the girl he really like(you).Something hold you, you mean you had stuff to do or your emotion hold you back? if your emotion hold you back it could means you started to... more
A: They lose interest because simply you don't have enough time to keep the relationship between you and her. More talk = Closer, Less talk = Distance, since online is the only way to talk to the other person if you don't talk to them they will slowly lose interest, unless you have her phone number.
A: He could just be one of them guys who "try" and see if he will be in interested guy. What they usually do when they see a pretty girl, they ask for their msn/phone number/IM etc. Talk to them a lot, chat about everything then the guy himself found he isn't that interested in the girl, so nothing... more