In this task, you are given a Reddit post as a text. Your task is to generate a short summary for this text. The summary must include a situation which caused humor. The summary should be one or two sentences long.
Q: Text: obligatory this fuck up happened today statement. in my grandma's old age she has decided to not give a fuck anymore or something. i come home a bit earlier then normal from the gym; no one knows i'm back yet. i decide to just chill on my bed and fuck around on reddit before i go take a shower. the bathroom being right across from my room, i figure that's a trip that can wait. few minutes later, i hear a noise that sounds like a stream of water hitting a bowl. turns out, my grandma shuffled into the bathroom and started pissing with the door wide open.
A: 
my grandmother leaves the bathroom door open when she thinks no one is around.