
Not feel yourself
Physical State
Use when feeling physically ill, weak, or affected by health issues.

After the surgery, I just did not feel myself for weeks.
Temporary Change
Implies a short-term change in how one feels, not a permanent condition.

I didn’t sleep well last night and do not feel myself today.
Subtle Distress
Can express a mild, hard-to-define feeling of being unwell or 'off'.

There’s nothing specifically wrong, but I'm just not feeling myself.
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