For people who have life partners (spouses, etc.), I think it’s important to ask, “Is there joy in my partner’s life?”
Sometimes we get so caught up in our own lives, we forget to check in with our partners and ask how they’re doing, if they’re happy. (And if they’re not, what we can help do about that.)
Being a “life partner” is a commitment to the other person, and to their well-being.