portable fence

Multiple pieces of advice that are repeated to you when you're in the middle of something. Used when you've already dismissed the advice or are focusing on another part of an action.

Person A: Remember to take a step to your right before you bowl.
Person B: Um, okay.
*Person B takes a step to the right and bowls, but the ball skews to the left and enters the gutter.*
Person A: You took more than four steps before bowling. Make sure to count your steps.
Person B: Why would I need to--Ah, forget it.
*Person B takes a four-step approach before bowling, but the ball skews to the right again, this time hitting the seventh pin.*
Person A: Did you take a step to the right?
Person B: My problem isn't the delivery, it's the hook!
Do you want me to improve, or do you want to move your portable fence around?