There is such an old saying: Love is a feeling, when you like someone as much as your favorite hoodie. I think this sentence is particularly good for talking about love of the kind where comforts feels like home. It feels a 'just right' kind of comfortable 'air' as if I were slipping into an old, favorite hoodie.
In addition, Oscar Wilde's "As long as you can play a song nobody can hear only you can hear, we don't care whether they are good-looking and well-dressed or not" gives expression to how love sets one alight. Love is not for good looks or fine clothes; it's because their soul's song strikes a chord that captures your heart.