The art of forgiveness and releasing resentment may vary in time and intensity, depending on where you are in your journey, and the specifics of the ended relationship.
Although the self is undoubtedly involved in building and maintaining self-esteem, these are not synonyms to self-esteem; rather, they are pieces to a whole.
For a successful second chance at love, you both need to be willing to work on yourselves individually, and as a couple. Giving a second chance means investing in the future, not gambling on the past – remember this – even if that’s how it feels.