"Love" isn't the word that Maine would use. However, that's not a reflection on Kamala; it's more of an indication of how emotionally closed off Maine is, even with those closest to him. That said, he understands the sentiment. Snorts in amusement before he reaches out to take her hand.

Maine's hands are calloused from hand-to-hand combat, weightlifting, and shooting firearms, and they're as big as everything else about him. But he's mindful of his grip as he takes Kamala's hand and shakes it.