Infidelity Support Group
Any relationship in which one partner engages willfully in sexual relations with another outside of the partnership is considered to have experienced infidelity. This breach of trust is often traumatizing for the faithful partner as well as the relationship, and support is often needed to heal emotionally and to decide whether or not the relationship should continue after...
I don't think you're willing to admit to yourself or your parents or daughters what happened exactly, and that should be your first step. This business of "I broke his trust" just isn't enough. You're skirting around the edges, and that's the feeling he is getting. You're sorry but just not enough to come clean.
A recovering spouse who is willing to reconcile, needs to know all the details, why it happened, why it won't happen again, what measures you've taken, and like he said, actions and deeds, because talk is cheap, and if you're not forthcoming with them, there is no reconciliation.
I wish you well.
But I wouldn't tell your kids or your older parents because some man, who isn't willing to commit to you after 6 years(!?!), wants you to no matter how much you say or think you love him.
If it WAS a spouse, like Lenoire said, my answer may be different...but this guy didn't / doesn't have that level of commitment to you.
And, fairly, if he hasn't come back completely in 18 months, he probably has his own skirt chasing going on.
there are so many places that do sliding scale individual and couples counseling, as well as most churches provide it at no cost.
All that aside, I agree with other postings that the commitment level may not have been there, but I would drive it one point further and say it was probably a joint commitment issue, because you were truly not invested into the relationship if you were cheating, and he may not have been invested into the solid commitment.