My brother's kids looked after my sister's kids' guinea pig when they went on holiday. They put it in with their rabbit.
Difficult to explain to toddlers, but their guinea pig went to heaven etc whilst they were on holiday.
Basically, it got shagged to death....
🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇🐇