My husband and I have been married for 26 years, only to each other and only have kids together. We've been In a relationship for over 31 years (dating, not living together), beginning at ages 18 and 19. Neither of us dated much so we don't know that world as well. But we do know about commitment. And one thing we do to keep it fresh is change it up. Relationship Glue Recipe: Do Not Rest on Your Laurels