No matter what we’re doing while we’re hanging out at home — apart from sleeping — we’re lighting a candle. When we’re working, we’ll light something to keep us focused, like a eucalyptus scent, and when we’re doing yoga, we’ll go for something earthy like amber. Prefer more cardio-based workouts? A citrusy scent is best. And then, when it’s time to clean, we switch to a linen fragrance, and ...