Yep. If you truly deeply love someone, you would desperately prioritize treating them honestly and never hurting them.
While telling himself, "It's for his own good," MC actually does the exact opposite. He treats ML in a completely unnecessary and inappropriate way, even insulting and hurting not only his affection but also his upbringing and his life itself.
What a contradiction. He definitely has been doing all of this just for own sake, just because he doesn't want to get hurt. His claim of "love" is a complete bullshit.
How difficult to find BL webtoon which is written things make sense even at least the lowest level...

Throughout your marriage, he showered you with sincere love and care, always showing jealousy towards everyone and everything like a kid without even trying to hide it. What kind of blind and dense person would think it was all an act?
Even after you abandoned him and distanced yourself without giving any explanation, he has kept expressing his love unconditionally.
Then why the fu*k would you refuse to believe him, refuse to even explain, and deliberately utter such insensitive and insulting words when there was absolutely no need to hurt him? Wtf did he even do wrong to you?
Wth would the author need to hurt such a truly sincere and loving ML in totally unnecessary and undeserved way like this...?
Seriously, just stop it already... I'm extremely tired of crying for being-tortured-for-nothing type ML that exists too many in the webtoon lately...