Nature doesn't suggest thats something well do. Such as, human females are the only females on this planey who's breasts develop amd grow as a regular part of puberty ratjer than swelling for maternal care then going back to a non-enlarged state. And, of course, just like other sexually producing species, we humans too have our gender expressions as it partains to mating, rituals to woo a lover, grooming processes to enhance appeal, amd have have evolved primary and secondary sexual characteristics because sex amd gender are massively important to us.