Woman screws over man. Man pays woman money. Man stays with woman after destroying his life, but it's ok because he didn't just forgive her (which wouldn't make sense), he paid her lots of cash first (which makes a lot more sense).People drop charges, make out of court settlements, sign NDA's, get back with people, forgive people because of money all the time.
We've seen many footballers wives do this never mind wider society. It's a well walked path.
I say this without any judgement whatsoever. Money matters. It plays a huge role in life like it or not.
It's certainly more plausible than Greenwood almost immediately forgiving her for destroying his life.
I know this might sound daft but there's a slight chance that they're still together for a reason other than his partner being a cnut in some way.