Edward recognized love when he saw it. Jasper looked at Alice the same way Edward looked at Bella when they were that age, and Jasper had the same look on his face four years later when he asked Bella and Edward for Alice’s hand in marriage. And when Alice walked down the aisle. And again when Alice held Maria for the first time.
“Jasper, do you remember what you told Edward and I the day you came to us because you wanted to propose?” Bella asked after she had asked for a moment alone with him.
He nodded as he grasped her hand and squeezed.
“'Mrs. Cullen, I love your daughter more than my own life. There’s nothing I wouldn’t do for her. She’s the reason I’m alive.'”