My best friend is dating this guy (he's no.1) but she is also seeing another guy (no.2) and staying... February 08 2014

Q: My best friend is dating this guy (he's no.1) but she is also seeing another guy (no.2) and staying at his house too. Do you think if she isn't happy with guy no.1, should she break up with him?

yes, because it is unfair to her boyfriend. you should try and talk some sense into her…