I think showing her that you are still available and supportive for her will help. Poor confidence isn’t necessarily an ADHD trait, but it’s often common in individuals with ADHD, because they struggle to meet mainstream expectations. If it’s confidence in the relationship she’s lacking, that simply may take time to build.
Penny
ADDitude Community Moderator, Author & Mentor on Parenting ADHD, Mom to teen w/ ADHD, LDs, and autism