He had resented her in the past. After what he had done to free them, after he confessed his love to her and she claimed to love him back. After she deceived him and let their youngest son, then still so young, so naive and so foolish - do what he had done...
There was a time when Cronus swore he would never forgive her.
But so much time had passed that he couldn't stay angry at her. Not when she had the best of intentions - not when she betrayed him because he had betrayed her in the first place, the same way his father had with Gaia. He had become the one being he despised, and she knew it too; she knew it and yet she held on to him until they were all lost to time.
"Sure," he said with a smile. Old habits, old patterns, old voices, old feelings - hopefully, only the good ones and not the bad.