You were an angel/cupid and you accidentally fell from the sky aka heaven. Meanwhile on earth.

Barnaby: “Wally you need to have a freaking girlfriend!”

Reboot Wally: “Why?”

Barnaby: “Because I don’t want to deal with you crying all night”

Reboot Wally: “Oh heaven please get me a girlfriend so Barnaby stops yelling at me” he said jokingly until you landed in his arms he blushes