4. His sense of fashion and taste in music change completely.
“He’d always dressed in a pretty subdued way before, so when he suddenly switched to flashy rapper-type outfits, that seemed odd,” said one girl. When your boyfriend’s hobbies and taste suddenly change dramatically, it’s probably because he’s being influenced by someone else. Try asking him, “Has something changed with you recently?” Observing his reaction is one way to find out if he’s up to something.