Read the sentences from Barrio Boy by Ernesto Galarza.

I grabbed the chain with both hands and pulled. A small torrent of water gushed into the bowl, swirling and disappearing down the drain with a deep, sonorous gargle. I waited a few minutes and pulled the chain again.

That night I got up several times to go to the toilet, until I was ordered to go to sleep.

Why does Ernesto go to the toilet several times?