I tried to keep up with my husband's intense fitness regimen and workouts for years. When I stopped, it helped us both.

My husband works out more often and intensely than I do. After years of trying to keep up, I've made peace with our differences. Alexandra Frost

My husband has always exercised much more often, consistently, and intensely than I do.

He lifts and runs 30 to 60 minutes each day, whereas I prefer low-impact workouts and long walks.

Although the fitness gap could've led to resentment, we've learned to embrace and appreciate it.

When I met my husband, he was a D1 college football player with a rigorous practice and weightlifting schedule, eating more protein at one meal than I — a college student who partied, lived on ramen, and did an occasional Zumba class — did in a full day.

Ever since then, fitness has played a different role in our lives.…