He Forgot my Last name?

CaliforniaMe
The guy I thought was interested in me, we went to high school together, walked down grad aisle together, and etc... I see him every Thursday and Sunday frequently, and people call me by my last name, he knows my first name but I was checking something out and he said "What was your last name again?" He also didn't remember certain things I've told him like what I'm majoring for in college, so I'm kind of upset about it, even though I know guys can have bad memories,

Do you think that a guy who is interested in a Girl will forget her last name, even if she's called by it by everyone? Is that peculiar, or was he trying to drop a hint that he's just not that into me?
He Forgot my Last name?
7 Opinion