9 Ways to Deal with Your Boyfriend If He Makes a Move on a Close Friend

5. Ask your friend to tell you the next time your boyfriend contacts her.

“I would get ready to catch him as soon as he steps out of line.” If you ask your friend to report to you when your boyfriend approaches her, you’ll be able to deal with any suspicious behavior straightaway. Make sure your boyfriend knows in advance that you’ll break up with him if he fools around.