If youre more worried about who your business is rather than maximizing your business, than you are not made for a public business.

Maybe he wants to give you some private biology lessons?

What do you expect? That's why you're on there. So people will look at you. Stop complaining.

So you'd find it less awkward if he were your current teacher? Or you just don't like the fact that he's a lot older than you? You think it's creepy because he used to know you when you were a lot younger? You might be in the wrong line of work if creeps giving you money bothers you.

Oh, come on, everyone. It's creepy. It's valid for OP to be uncomfortable about this.

Whats that link??