Decluttering my wardrobe is one of those household chores I love to avoid. But, as summer hits, it becomes an inevitability that I'm going to have to face my clothes to find the ones I want to wear.

To some, internal family systems, or IFS, may only be familiar as a therapy anacronym for another approach to trauma treatment. To the more concrete-minded, it sounds wonky that there’s a “family” ...