Love. Amour. Amore. In popular fiction, the signs of true love tend toward the melodramatic: heart palpitations, loss of sleep, loss of appetite, blowing curtains, fireworks. If you feel these things, however, you’re not so much in love as in lust. So lust aside, here’s a sampling of the undeniable signs of true love — and good (emotional) health.

Duke has always loved cats. Even when he was a puppy, and now as an adult, sometimes I believe he thinks he really is a cat.