What to say?
My daughter is my world too. I am so lucky she is with me every day, but there have been times when things might have turned out differently.
I know you're not looking for advice - and that would be trite anyway. But there is a mantra that works for me when depression is closing in.
May I be filled with loving kindness. May I be well.
May I be peaceful and at ease. May I be happy.
(Jack Kornfield - A Path with Heart)