Bi Bi said to her grandfather:

- Grandpa! Today, I don't need to wear diapers anymore.

- Oh, is that so? Progressing every day, aren't we! But what must you do before going to sleep?

- I need to go to the bathroom.

- Right, you must go to the bathroom, otherwise, it would be a disaster if the bed gets wet! So Bi Bi went to the bathroom, tried to empty her bladder completely before going to bed.

Shortly after, Bi Bi fell into a deep sleep and drifted into a dream. She wandered into a fairy tale garden and met a frog. The frog was puffing up its belly, eyes bulging, about to croak loudly to compete with the cow. Bi Bi said:

- Don't, don't inhale too strongly, you might burst. At that time, her grandfather was not yet asleep. He smiled and asked:

- Who did Bi Bi tell not to inhale too strongly? I'm not inhaling. Bi Bi, half-asleep and half-awake, replied to him:

- I was telling the frog.

- What frog, where? Oh dear, you're dreaming again. And with that, Bi Bi went back to sleep. Close to dawn, she dreamt again. Suddenly, Bi Bi found herself entering the bathroom to poop. She cried out, feeling her bottom cold, and woke up immediately... Oh, what a relief, she almost pooped the bed. Bi Bi got up right away, took the potty, and pooped... Done, she went back to bed. Then Bi Bi covered herself with the blanket. She lay straight, not kicking the blanket off as before.

In the morning, as soon as she woke up, Bi Bi called out:

- Grandma, Grandma... No sign of her grandmother.

- Grandpa, Grandpa! Nor was her grandfather to be seen. It turned out he was still snoring... So Bi Bi got up by herself, went to the bathroom, brushed her teeth, washed her face. After that, she called her grandfather:

- Grandpa, Grandpa! He suddenly woke up startled and exclaimed: "Oh no, it's late! Bi Bi, get up quickly!"

- I've been up for a while now.

- Oh, is that so! Has grandma not returned yet?

- Yes. Grandpa, can you change my pants? I went to the bathroom, washed but didn't dry properly, so it's a bit wet.

- Oh, you washed by yourself? That's impressive! Alright, come here, let me change you. Just then, her grandmother returned.

- Grandpa, dear, time to get up... Grandfather whispered: "Shh, shh, let's pretend we're still asleep." So the two of them lay still, hugging each other...

The grandmother left the things she bought in the kitchen and went upstairs, calling: "Grandpa, dear, time to get up... Oh, how strange. Grandpa isn't responding at all today, is he? Ah, today grandma also bought some sticky rice cakes for you. Oh well, no one's responding..." When she reached the bed, she was surprised: "Oh, are the two of you cuddling up and sleeping soundly like this today?" Just then, both grandfather and Bi Bi sprang up with a loud 'Ahh,' startling the grandmother. She was taken aback. The two had been awake for quite some time.

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