Improve a Relationship
Why it's tricky: You can't force the other person in the relationship to make the same resolution.
Make it stick: Find specific ways by which you can strengthen your connection, says Norcross. Instead of resolving to, say, talk to your young son more, do what one of his successful study participants did: Resolve to spend 10 minutes a day with your son before bed.
Next: What if you do everything right and still break your resolution?