What do you mean 'biologically'? Genome? Epigenome? Wings?

I bet some of those differ a lot (hint: not wings:)

We don't exist in vacuum: humans live among and with and as hosts for other creatures, and there is also environment that literally plays most important role.

> I can identify with the Seneca quote, mainly for it's perspective that time is a resource to be spent, and potentially invested.

Yeah, everything can be awesome in theory with little word or number massage. In real life, its usually not.