10-15lb dumbbell. Squat shoulder thrust, plie squat upright row, front lunge, wall sit with dumbbell extension, calf raise with tricep extension, bridges with dumbbell (tabata style - straight through each exercise and repeat whole circuit 8x)
This is an actually doable list of relationship builders for couples in long-term relationships. These things are fun, unlike that dumb list that tells you to go to coffee and grovel to your husband. Screw that. Have fun together.