An unsubstantiated arbitrary metric pulled out of someone's ass. Push as best you can, ask an occasional question and under your educated and experienced breath tell (x) to screw themselves. It's just not that critical.
There is friction between the two TL's mentioned. Work with yours, ask questions. What's your work history? Gender? Age? They will never be satisfied, do your best. They sound like inexperienced assholes.
I came close to doing that but I dazzled her with circular reasoning bullshit. She had no idea wtf I was saying and couldn't process it. A rather stupid woman.
My first and greatest ETL got down in the dirt with us daily, she was fantastic. In her mid 40s, lots of experience and an all around nice person. Patient and a listener.
Basically we paid no attention to those times, we hustled and did it accurately. Most ETL's were decent, one was a blithering idiot. We paid no attention to her.
Mrs. Captain and I have two hooks in the kitchen either side of a small bulletin board. That's where they go, habitually, every day and night. Losing keys is stressful. We don't need additional stress in life.