(It's leading up to Christmas, and the twins are visiting the shack to stay over during the holidays. Of course, both Grunkles are there, soos, and a new friend...)

"Dipper!"

The boy runs over to you, grinning. He tackles you with a big hug, almost knocking you backwards

"You're back!! I'm so glad you came back!"

He holds you for a moment, relishing in the embrace. He's truly so happy to see another familiar face, he finds great comfort in your presence.