If your stbxw has negative feelings about you, your d knows it even if stbxw doesn't say it. I'm sure it's really hard for d to show that love for you no matter what stbxw thinks at her age...but probably gets better with time and teen years.

You are doing awesome!

Gordie 40s W 40s M20+ kids
2016 BD W fantasy affair w OM1 I do everything wrong
2017 I start to DB W says TLTL files for D PA w OM2
2018 I do LRT W drops filing and OM2 situation slowly improving