Photograph everything before you open it. Ten seconds, settles most disputes.

Bring a list. Embarrassment makes everyone forget things, including you. Not on a coverage denial but the pattern is familiar.

An inconclusive account is useful if it stops the next person mistaking a story for a controlled comparison.

Ask for the longer appointment slot. Ten minutes is not enough for a complex history and pretending otherwise wastes both your time.

Bring a list. Embarrassment makes everyone forget things, including you.

How do you tell the difference between the drug working and just a good week?

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