I know this but even couples can, and absolutely should, have lines they’re not willing to cross for the other.
Like you know your bae just casually committing genocide because a soldier, in her dying moments, chose bravery and defiance to her enemy. And if memory serves, Simpthanos was the one who realized he been played but still justified it saying it must just be some higher plan he didn’t understand and he would soon be with bae anyway.
And Sylvie didn’t seem too irked until the Jailer until it was all but spelled out for her that she was being his pawn…making her “I’ll never serve” the most hilarious line that’s ever came out of her mouth considering her ENTIRE EXISTENCE (living and death) has been in service to masters.
Like I consider myself a pretty simp for the gf but even I got more of a spine than he ever showed and I agree with the notion that it makes him a decent enough character