People enter into the marriage contract or even the relationship contract as if the other was chattel. My spouse. My BF/GF. Mine mine mine like a two year old. The thinking needs to be partnership instead of possession.
This is the thinking that allows me personally to never be jealous. To separate love from sex as they have nothing to with each other. In a natural state monogamy does not really exist. Yea, tell me about geese and penguins, but it can't be proven.
The higher animals it's unheard of.
Humans are the highest of all animals. I see no reason to ever hold my partner back as it ca be exciting to him. I mean If some super model wanted to sleep with my partner I would never hold him back. I would actually encourage him as I would want him to share all the details later and make it a bonding event.
I must be weird to be able to make this jump.