Yeah, feet are funny things - Mine grew by 2+ sizes - 5 and a half to 8 - after I reached 30!
And yeah, people make such sweeping and annoying speciesist generalisations its gobsmacking sometimes. I'm pretty sure most if not all primates grieve for loss of infants or loved ones, and what about dogs? Parrots? Its rather worrying. It makes you doubt whether anything a person says has any value when they come out with such a load of crap.

Congratulations to and on your brother.