Because, at the bottom of the next page, Pooh is having a problem of his own.
7 seconds sound clip from the The Many Adventures of Winnie the Pooh movie soundboard.
You can hear this line at 01:04:15 in the Blu-ray version of the movie.
Quote context
[...]
- Stop that, kid. Please. S-T-O-P. Stop!
- Oh, thank goodness. I was just getting see-sick from seeing too much.
- We'll just have to leave Tigger up in the treetop for a little while.
- Because, at the bottom of the next page, Pooh is having a problem of his own.
- That's what I asked myself, Piglet. What?
- And what do you think you'll answer yourself?
[...]