Can I just reject that? Just make a decision to say 'no thanks, I don't want **that** particular struggle'?
Yes you can! You can absolutely reject that and say no thanks to it, because you are absolutely right that it wasn't ever really your struggle anyway. It is easy to look back at something after the fact and see things differently, but you didn't have that benefit of hindsight in the situation.
Me 52, H53 Bomb drop 9/29/2014 Divorce from XH final 12/17/2014 Marriage #2 12/31/2019 5 adult (step)daughters (3 from XH's first marriage, 2 from current H's previous relationships) 6 grandkids