is the kid trying to tie the girl in the wolf knot thinky, idek how that works

Mmm, basically...
It's like the saying "drop a frog in hot water it will jump out... slowly heat the water with the frog inside and it will not leave"

He's trying to slowly trap her so she'll never leave his side...
Or if you want we can think "literal" ... when canins mate they knot together to ensure the males... stuff... doesn't come out... LITTERALLY tying the mating pair together.