girls hitting on my bf

My boyfriend sometimes have girls commenting on his pictures with heart eyes or like today calling Him and asking him to go to the movies, I get annoyed but never mad like other girls . My friends always say you are to nice .im I ? And it's not that I don't love him bc I really do bc we've almost broke about before and my heart hurt so bad and I'm not scared to be alone . But I'm I crazy for not going crazy