Not being able to sleep is a sign of depression. Not sleeping just adds to it.
Your H is so lost he doesn't know which end is up. He's agreeing to everything because he thinks maybe finally this will be the thing that makes him happy. When he figures out that it doesn't, he will search for something else. Hence the slow spiral to rock bottom.
This is JMO of course, but it seems to be what I'm seeing with my H as well. He just keeps searching for the happiness that keeps eluding him.
You sound confident and strong. Stay your course, it will see you through.
