If in doubt do the right thing. That is advice I read on a site about being happy.It applies to many situations. Do what you feel is right.

I personally would reach out. Maybe reach out to others and not just H though.

Best wishes. I hope they find her well and safe.

R 25 years
M 14 years
S11 & S13
Working on it alone since Oct 2014
M in trouble a lot earlier (~2 years)
Feb 2016. 1st R chat in a yr.
Next R chat Aug'17
Still together