He woke up in a cold sweat, panting, gripping the bedsheets which were damp with perspiration.

The moment had arrived.

One he had long feared.

There was no more time. 

He struggled to swallow as a flood of...

Too much time is spent on thinking about the action.

Not enough time is spent on the action.

The idea you are thinking about, someone else is doing.

Acting impulsively is counter-intuitive to what you have been...