>>40583392Ralts is drawn in by humans with a positive disposition, Kirlia grows best around a cheerful trainer (who also powers her psychic powers that way), Garde distorts time (Future Sight) and space (mini black holes) to protect its trainer.
Clearly they've got a super-strong bond with their trainers. Trainers are mentioned so frequently it's almost like they're indispensable to the Ralts line's growth.
Gallade seems to give no fucks tho.