In the Rick and Morty franchise, Rick has really been on an emotional rollercoaster. Sure, he's committed unethical acts in the name of science, leaving Morty worried at times over the Rick from the C-137 Universe being a mad scientist. But the teen sympathizes, knowing Rick suffered immense loss when Rick Prime killed his Diane and Beth. This pushed Rick down two paths.
Source:https://www.cbr.com/rick-and-morty-rick-unity-relationship/