On the higher notes, you can see that the vocal folds don't close properly, which is the reason for her breathy voice on those notes.

And now you know.

Hmph. Science says nothing of the sort about human females. Actually, males talk slightly more, though the amounts are practically the same.

This is one of those myths, like the "thousands" of words Eskimos have for snow, which get propagated even though there's nothing backing it up, and never was.

or they could've cooked it on the burger, where it bound with the fat like you mentioned...

I agree, actually - I don't know about it being worse with age (I'm 30, btw, and last breakup was 5 months ago) but when it happens, it can affect work pretty negatively. Motivation is down, emotions are on edge. I'm not saying it should be long, but a couple/few days to recenter isn't a bad idea.