F-factor - The F-factor is how much you think someone is worth, based o

The F-factor is how much you think someone is worth, based on how much they're worth to you.

I gave my friend a 9 because he's awesome, but he still borrows my clothes without asking.

My F-factor with my bestie is 10 because he's my bestie and I don't care about the stuff he does.

I gave my classmate a 3 because he's okay, but he always forgets to bring his lunch.