Like some of the above posters said, marriage is wonderful but takes a lot of work. Some tips I found helpful:
**Focus on the good middos and actions of your spouse. When your spouse does something that frustrates/bothers you, think of those good aspects and feel proud (if you need to internalize better – write it down for yourself).
**If there’s something stressful going on that is getting you both down, do something out of the ordinary to lighten the mood. For example, once at a stressful time in our lives, I made a big heart chocolate chip cookie and put it on the table. I then put a sign on the inside door “Happy Birthday”. A little further in – I put another sign to the effect of “So what if it’s not your birthday?!? Is that any less of a reason to celebrate?” It lightened the mood and we were then calmly able to discuss the stressful issue while feeling very good about each other.
**If you get upset or frustrated with your spouse, do something special for him/her. When you give to another person, it increases your good feelings for them (and of course, their good feelings for you)!
**Compliment often and express your appreciation often. Both of you put a lot into running your home (housework, parnossoh, cooking, learning torah, taking care of kids, etc.) and everyone deserves to be appreciated.
**Daven for siyata d’shmaya to treat your spouse with the love and respect he/she deserves. Also, daven for your spouse’s success in all areas (parnossoh, learning, spiritual growth…).