Sit down and talk about everything. Let him rest and eat, don't bring up bad things while he's tired and hungry. Choose your battles, but do fight fair. No yelling, if you disagree, calmly discuss that disagreement.
My late DH and I were married for 39 1/2 years, he died 4 years ago and I still miss him. No no one else in the picture at all. Still miss him, he was strong and gentle and was my rock to lean on. And I took care of him the last few years he was at home and becoming weaker as time went on, because he was a lovable person. And I'll always miss him.
Become friends first and lovers next. And like someone else said, forget that 50/50 crap, each one should give 100 percent in a marriage.