Hard to do, but worth it. Nicholas Bate offers the 7 Essential Zones:
Zone 1: your zone. Your time. To read, to cook, to think, to be. You decide. It keeps you sane.
Zone 2: you and your partner in life. Time to talk, hold hands, walk by the river, go to rock ‘n roll dance class. It keeps you in love.
The rest, here.