9 Relationship Taboos That Will Drop Your Boyfriend's Trust in You to Zero

8. Acting two-faced by being nice to him but not to anyone else

“How am I supposed to know which version is the real her?” Guys could get the idea that you’re pulling the wool over their eyes if there’s a big difference in the ways you treat him and other people. Be yourself around him instead of going overboard, and you just might earn his trust.