Mum and texting LOL

I'm in my room, mum's in the kitchen. We are like 6m away, texting each other. LOL..

Mum: I can hear your phone.

Me: No shit dumbass I can hear yours too LOL.

Mum: He doesn't know how to behave [dad]

Me: He's a retard :)

Mum: I'm going to fart on his face

Me: HAHAAHHHAHAHHAHAHAHHAHAHH.

Mum is epic LOL.