i am sure that every few months Lil says that her and K have been ‘the worst they’ve ever been’… there is literally no good times. She tries SO hard to normalise it but hating your partner and rowing so often is NOT normal. It is NOT what people in healthy long term relationships or marriages do. You can disagree and have nature calm adult conversations about it but you don’t spent days and weeks, or likely months by the sounds of it, arguing and each other.
For the sake of your children… split up