Because it's time for your solo.

3 seconds sound clip from The New Adventures of Winnie the Pooh - Friend, In Deed / Donkey for a Day (S1E2).

You can hear this line at 00:16:05.945 in the Blu-ray version of the TV Series.

Quote context

[...]

- I shall just have to start eating from the beginning, and see where I went wrong.

- Look at him... having so much fun.

- Why do I have the feelin' this is not gonna be much fun?

- But it will be fun. More fun than sitting on your old mountaintop.

- Now, why'd you do that?

- Because it's time for your solo.

- How I remember my first flight... soaring on high, the wind in my feathers, the whole world opening up before me. Oh, it was like yesterday!

- Happiness is seeing the benefits of good, hard work. Watching the things you've planted with your own hands springing up fresh and green. And then... harvesting them!

- Here we go again.

- If you wouldn't mind.

- Why, certainly. I don't understand... My big feet... Oh, dear.

[...]