Learn to taste
From telling bitterness from astringency to running a controlled comparison.
Enthusiast
1. Separate the senses
Taste, smell and touch need different words and have different fixes.
2. Compare two teas
Differences are far easier to perceive than absolutes.
3. Recognise faults
A fault is not a flavour note, and telling them apart is a skill.
4. Test yourself
Blind conditions show what you can actually perceive, as opposed to expect.