I was thinking about this, I think I have an idea and it's been foreshadowed the entire series.
"I will trust/believe that they can protect themselves"
Kaladin has believed that those he cares about cannot protect themselves and he needs to be the one to save them. He barely believes he can keep them alive when he is there and lives in anxiety when he isn't.
As for what benefits it might give, dunno but probably a higher control of his powers third ability. I also wanna think an aura, able to gather minute amounts of stormlight from the winds and pulls it to him or others
