He was unable to (1)offer me reassurance things would be different; unable to (2)say he loves me. Unable/unwilling to (3)accept responsibility for his share in past issues.
This is a pretty tall order when you're working on a relationship. For anyone.

In couples therapy, my husband and I had simple, achievable goals in the short term (as we worked on the longer term issues):
1.) Spend time together
2.) Attend couples counseling
3.) Use the word "prefer". i.e.
"You're always late - don't be late again!" becomes
"I prefer that you not be late." To anyone who is trying to revive a relationship, we have to break it down into parts rather then these grand problems to be solved. Especially to someone who suffers from emotional regulation issues along with poor copings skills.
Most of our relationships fail because of our own unmet expectations.
What helps them survive is our ability to have expectations that are possible for the other person (acceptance!) and our ability to express ourselves to the other person in a productive way (communication is key!).