6. She talks more frequently about her male friends
If this is the case, a boyfriend may sense that she’s not very interested in him. Even if he’s all right with your male friends, if they’re the ones you talk about the most, he might think, “Maybe she has more fun with them than with me.” And that could lead to jealousy or anxiety. Even if you want your boyfriend to get along with your male friends, talking about them all the time could be dangerous.