What I find fascinating about these answers is what different parents see/experience as "against the grain." Like, in my world things like baby-wearing and not forcing kids to eat all their food are par for the course. The personal -- regional? -- differences are so interesting.
What is one parenting you do thing that goes against the grain of society-- that you will never ever regret doing?
Mine is cosleeping. It's the best thing we ever chose (though not without second guessing and guilt)