Those fluffy tails wold make up for any chest size dearie...guess it is an innate nature for them to feel insecure about their bodies.
sniffHow insolentEeeeh~!?Ah!! No, no, no! This scent is something else!I'm homeWelcome backAre you not satisfied with me...?
My chest? It's my chest, isn't it?Hm...?Listen to me!step step stepThe scent of a furry female! Where were you cheating on me!!?