What do you mean .
If you want to be in a monogamous relationship, you remain monogamous.
If you don't then don't remain monogamous.
It is that simple.
You shouldn't be a liar perhaps
But it is that simple.
Adding the weight of a piece of paper and a ring doesn't change this at all .
I'm in a monogamous relationship.
I have been in many.
My current relationship isn't at all sexless.
Be with whom , you want to be with.
I don't see any reason in me cheating.
But he just gave you a reason for cheating
By definition he's justified.
Logically
He doesn't want to be with someone if they won't fuck him.
I would argue the illogical bullshit he has going on, is the partner he chose and the next one.
Choose better partners and you will be happier.
Simple.
Or don't figure it out
Where you went wrong or your partners or your choice in partners or their choice in you and why ..
You either do or don't .
Do people get their feelings hurt.
Yeah
All the time
Children too.
It's better to be the least nasty person to your partner and to your kids.
So it's perhaps more moral.
To be more faithful than not depending on the relationship.
I got like a key hole view of this.
And even if I judged him terribly.
How will that effect the outcome of all this. Vise versa anyone else and no matter gender or their own relationships they had
Because the ultimate fact is
Relationships are like people.
They are about as broad and different as they come.