There is no way to predict that.

If you decide to get back together with him, you need to make an informed decision with the partner he is right now. What is he showing you *right now*?

Assess what he is bringing to the relationship and decide if this is what you want and need in a partner.

Let him work on himself first and *only* decide on potential for a relationship IF he changes. Someone you describe as ''emotionally neglectful'', not attuned to you or your needs, reliant on your resources and insecure etc. is not ready to be in a relationship. Certainly not a healthy one.