How do you know if a man likes you or is just being nice?

There is a man who is a patron where I work. He comes in a few times a week. After he is finished and is getting ready to leave he always makes a point to come up and talk to me a while before he leaves. Usually it's just general conversation about what's going on in his life and in mine and in the... Show More

Maybe I should add that they place I work also has place with computers the public can use. That's what he does when he comes in.