Test one thing at a time. It feels slower and it is the only way to learn anything. Not on GHK-Cu but the pattern is familiar.

It gets smaller. Not easy, smaller. That distinction kept me going.

You are not imagining it and you are not being difficult. Document it and take the document in.

Following this because I am in the same place and have no idea what to ask at the appointment.

File early. The window is shorter than people think and it starts at the transaction.

Test one thing at a time. It feels slower and it is the only way to learn anything.

No wrong answers, and yours is a good one.