Stop overthinking your sensitivity ๐ก
There is no ''best sensitivity'', nor are you assigned with it at birth. Changing it won't magically improve your aim. Instead, pick a sensitivity within a reasonable range for your respective FPS title (Valorant, Apex, CS:GO and so on).
๐งต
ALT Pick a sensitivity that is in a reasonable range for your respective FPS game and practice.
You do not need to be comfortable, confidence with your sensitivity will increase as you become better.
If you are missing, it's probably not your sensitivity, it's your skill. Be honest with yourself and practice.
Changing your sensitivity is usually not harmful. It is even used as a practice method for aim training.