What are the best and worst parts of flying for you either as a pilot, crew, or passenger?

For me as a pilot in a small plane, it is taking off, reaching altitude, and completing a complex approach and landing safely. Worst is anything going wrong including weather.

As a passenger in a commercial plane, I just need a reasonably good ascent and very safe landing on time or early. Worst is an aborted takeoff or bounced landing and also being very late.

What are the best and worst parts of flying for you either as a pilot, crew, or passenger?
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