How do I talk my boyfriend out of having a secret relationship?

Absolutely not shrus. No way there can't be secrets in a relationship especially when its just starting off like yours. Your friend will get over it and if she wont then tough cookies. Your question is missing parts in it. Is he secretly seeing her? So what if she your friend 3 is a crowd. I hope im not wasting my time writing this. No secrets, cheating is grounds for dumping . Somethings not right here. Don't ever keep love a secret. Good luck girl.