Ugh, long distance/lots of travel suuuucks. Then yeah, have at it!
And everyone is different, so “normal” or “a lot” varies. Consider yourself lucky you have a partner with equally good sex drive. There are many couples in very different situations.
50 something guy here. Are you and your husband good? I’ve been married over 30 years, and obviously things ebb and flow. We recently tried having sex at least once a day for a solid year straight. We learned a lot about each other and found neither of us needed to masturbate.
TL;DR Why aren’t you two just fucking a lot?
Trustworthiness. It would be great to know if you can trust someone upfront.
I recently discovered Shout by Disturbed, it’s pretty good.