Men over 40 in a long-term relationship, do you ever have to get your woman "in the mood"?

Do you always initiate? Is it 50/50? Do you have to get her juices flowing beforehand or is she just ready to go? Are you satisfied?

I (39/f) ask because I have found as I age, my body just isn't "ready to go" like it was when I was younger. And mentally I want to have sex, but physically I'm exhausted from the day. Been up since 6, mothering, going to work everyday, etc. And he gets really salty with me because sex doesn't happen as often as he likes. And man, I get it. I just wish he'd spend a few minutes getting me hot.. (physically or honestly, even just talking sexy could get me ready) then I'd be ready.

Alas, he does nothing but glare at me from the couch as I'm slipping into a coma at 930pm.

Be nice, but honest please. Should I be doing more as a woman? Or should he?