Yep, a lot of us, including myself have these days when we just think "they're not worth it... I can do better with less work..." but it does pass... It's just your emotions playing games with you... This is how AFFAIRS start, is people hearing those voicesi n their head and CATERING to them.. giving them their EAR rather than dismissing it...
if your husband IS remorseful and he WANTS to make the marriage work then I would suggest you go to a family therapist and give it six months... checkpoint every six months... or three orwhatever... But don't give up when things are at their worst.. you want to exit with a CLEAR head, not when you are hurt and angry...