What are the signs of a man interested in a woman?

Liz writes, "Could you please tell me the signs guys give out when they like girls. Not the obvious body language signs; more in depth would be helpful."

Apart from the body language, the other two signs come from behavior and dialog.

What I mean by behavior is the fact that when a man meets a woman or gets an opportunity to spend time with her, he wants to spend even more time with her. So if the two are at a party he will spend more time talking to her than anyone else and sort of consider her as his partner during that time. If they are on a date, he will do the same. He will also keep talking in the future tense about the two being together, hinting that he wants to be with her in the future.

As far as dialog is concerned, a man seriously interested in a woman, will talk about getting together again or helping a woman with something or do things for her. He will also talk only to her or about her or talk in a way that pleases her.