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I think the most important thing to remember is that your husband chose YOU to marry--which means that the way you look looks good to him. We women beat ourselves up for every little flaw, and compare ourselves to others. But one thing I've learned over the years is that no one else looks at us as critically as we look at ourselves.
Keep in whatever shape makes you feel good about yourself (healthy, strong) and let the rest go. Hair will grow--sometimes the cuts that don't look that good right after they're done are the ones that grow in really well.
This is truly a case of don't sweat the small stuff--because haircuts and appearance really are small stuff. Remember your husband picked you, and he'd rather see you happy and confident than he would care about a couple of pounds more or less.