Mozza, I know its a different relationship but the premise works I think so go with me on this.
Would you be critical of one of your Daughters in your heart? Would you vent? Frustrated maybe, looking for some changes in behaviour probably, but critical? I suspect not.
I keep getting the song stuck in my head but the message is clear, all the stuff that makes you want to criticise - 'let it go'
Actually (Just because I always hook into metaphors) and this is entirely off the cuff, think about the film frozen as a metaphor for your situation where you are Elsa and her magic is your influence on your relationship. act out of fear and try to control then you freeze the whole kingdom, but when you act out of love everyone can enjoy courtyard ice skating in summer. Love can thaw a frozen heart. (You have two young D's I don't believe for a second you haven't seen it)
Both mid 30s, 2 young kids BD 7sep14 XW moved on long ago, now living with OM1 D paperwork in progress