How do I know when to walk away?

My husband and I have been together a little over to years, married around 5 months. We had issues before our wedding I’d hoped would get better after we didn’t have much stress. Things haven’t gotten better he thinks they have after some therapy but I’m not quite there yet. I know I’m going to have a hard time with intimacy and trust. He lied for a long time about drinking and this still is a big deal breaker for me but he’s been going to meetings. I feel that initially we both wanted to work on things and he’s still holding on but I’m gaining my independence back and seeing all the things that I’d turned a blind eye to like his laziness and lack of following through with things. The thought of having children with him scares me because I don’t feel like we have a partnership and I’m already always cleaning up after him. We’ve put a 90 day expiration date on things and I just feel like by that time I’m not going to be where he needs me to be.

How do I know when there right time to be done is?

What is the easiest way to file for a divorce when we don’t have any finances together and only been married 5 months?