Someone once asked...

How can I best manage the uncertanity of leaving a relationship I deep down know is not working? How can I deep down believe that I will ultimately live a good life, either alone or in a new relationship?

Someone answered with kindness...

Because it's the only path. You can have the certainty that you will not live a good life if you do nothing and stay; the only way to open up that possibility is to leave. Your determination will help you in that path, though the leap of faith must be taken. Trust yourself and your support network, you'll get through this if you stay determined.