my boyfriend needs a slap?

so is it normal that my boyfriend smiles and is kindly with single moms? So everytime we go out somewhere and we see a family but just a single mother, she gives my boyfriend a look and ignores me like bitch hes mine, why do they eye my boyfriend??? and my boyfriend eyes them? Its sooo annoying, do u think that my boyfriend is attracted to single mothers??????? or am i just tripping?????😪😪😰😰😰😰😰😰😱😱😱😱😱😱😱😱