XKCD- This one I understand completly...

[TazManiac]

https://xkcd.com/289/



Ladies, please don't take offence, it's just how my brain works...

(OTOH, at a seemingly random and often very inappropriate moment I'm also totally focused on how your butt moves as you casually stroll around, so...)
.

[Sgt. Howard]

(OTOH, at a seemingly random and often very inappropriate moment I'm also totally focused on how your butt moves as you casually stroll around, so...)
.

THAT's called testosterone...

[Catawampus]

(OTOH, at a seemingly random and often very inappropriate moment I'm also totally focused on how your butt moves as you casually stroll around, so...)
.

THAT's called testosterone...

Or possibly too much time in anatomy class spent studying how muscles work.

[TazManiac]

Well, yeah. Actually, other than a 'Black Lizard Big Book of Adventure Stories', one of my most recent acquisitions is an anatomy book of the head and shoulders.

Too many veins and arteries...