SCNR,
http://www.survivinginfidelity.com/healing_library/confrontation/cheater_letter.asp
Try to give this to your H. Maybe he will BEGIN to understand what he has done to you, your relationship and, eventually, to himself.
If he can't learn to be the single biggest influence of your collective recovery your chances of surviving are not good. Research shows, without one shred of doubt, that a WS's ability to act in a truly remorseful and repentant fashion is paramount to the relationship surviving. They must be willing to do everything and anything to recapture the BS's trust or all will likely be lost.
Not many are capable of a lifetime of unresolved resentment. Just ask my wife (Soulmates4Life) how 28 years of "sweeping it under the rug" slowly and surely disintegrated our relationship and eventually was to be dealt with or our demise was more than probable.
My experience, and the advice of so many professional and non-professionals, is to deal with it now completely and without reservation. Nothing you ask or need is "trivial", nothing.
My own perspective is that, had I known what the healing process entailed and the depth of despair recovery revealed I would never have gone through what I've subjected myself to. Again, in my opinion, your value as a human being is far more important than enduring what another feels is "adequate" to "move on". You may well be able to remove the terror you're enduring today at some point in the future but you will always know what your beloved is capable of, and willing, to exact upon you.
For some (maybe many) that have survived this horrible and painful experience there may well be the prospect of a richer and more fulfilling relationship but it cannot come without tremendous resolve from both of you. The demons must be extracated to your COMPLETE satisfaction. That means that no stone can go unturned and your WS must have the will of a lion in order that you get back to square one. Trust is difficult to earn and incredibly easy to destroy, he must know and act in accordance with this reality. "Anything it takes" must be the credo of his behavior. Anything less will cause unresolved resentments that WILL show up in your lives together in one way or another.
Our relationship has finally progressed to an ecstatic height but not without my pressing for resolution and not without her willingness to do WHATEVER it took to make it so. It is a daunting battle so roll up your sleeves and be resolved to make it! Otherwise, a lesser effort and commitment will cause you both more pain than you can possibly know.
I wish for you resolution, commitment and peace SCNR! More than anything, Peace!