"I do not have forever.. and I will not wait in vain." But Hera's kind words, which he knew were difficult for her to express, gave him reason to hold on to the possibility that he'd be forgiven in time. He hoped he had enough time left for that to come about.
Cronus leaned into her and held her tighter when she kissed him. "Please tell me we can be together again." It would be complicated, and it might take time, but he had to know that they'd find a way.