I have few ways in which you heal your broken marriage:
Try to think of the reasons you fell in love. Go to some of the places you used to go together. Reminisce about the old times. Hold each other without expecting anything to come of it. Talk to each other with the same courtesy and respect that you would a total stranger. Doesn't your spouse deserve that? Yet we often talk down to them when a complete stranger gets our total respect. Put husband/wife back as a priority rather as someone who has to be dealt with when everything else gets finished. Go away for the weekend to try to rediscover each other.
Sometimes it’s a matter of reflecting upon things that will help you to find lasting happiness, even when you thought that the marriage was doomed.