L-R checker

I told you to put the L in the left ear, but you put it in the right and now I'm deaf in one ear.

My friend is the L-R checker and he screamed at me for 10 minutes because I mixed them up.

At the concert, the L-R checker got so mad he kicked the sound guy.

My mom is the L-R checker and she won't stop texting me about it.

I messed up the L and R and now my dad won't let me play video games.

My brother is the L-R checker and he took my phone for a week.

The L-R checker at the gym won't let me use the headphones because I messed up the L and R.

My teacher is the L-R checker and she made me write L-R 100 times.

At the doctor's office, the L-R checker wouldn't let me leave until I fixed the earphones.

My friend is the L-R checker and he made me eat a whole pizza because I messed up the L and R.

The L-R checker at the mall made me stand in line for an hour.

My neighbor is the L-R checker and he made me mow his lawn.

My uncle is the L-R checker and he called me a fool for messing up the L and R.

At the movie, the L-R checker cursed me out for 10 minutes.

The L-R checker in my class made me cry because I messed up the L and R.

The L-R checker threw my pencil at me because I messed up the L and R.

My brother is the L-R checker and he threw my phone at the wall.

At the park, the L-R checker threw a rock at me for messing up the L and R.