Why don't you show her how big your penis has gotten(optical illusion since your balls are smaller)(Try shaving your pubs to, this always makes my weiner look bigger)

And then show her the other great thing about being on a cycle.
I don't know if your taking prop.
But the complaints will turn into "40plusnewbie I can't have any more sex, you just destroyed my Vagina and ripped me a new anal"