Caregiving shrinks your world — and the few people still in it have more power over you than they used to. Seneca noticed the same thing two thousand years ago: we take on the character of whoever we spend time with. In this episode, Esther looks at why the sibling who criticizes from a distance, the late-night caregiver forum, and the friend who always leaves you calmer are not all the same thing, and shares three ways to spend your very limited social energy on purpose.