The thing about angel investing, which I get into in the book a lot is, you actually don't have to understand the idea, you don't have to know if the idea is going to win, you just need to know if a founder's going to win in their life. I can just tell by looking at somebody if they'll be successful in their life. I don't even have to have a conversation. I just look at their eyes while they're talking and it becomes very clear to me.