[svat]

Of course the need for external stimuli is a universal and important human need. The question is merely whether 100% of one's waking moments must serve this need, or whether one has the ability to spend a percent or so of one's time not satisfying this need:

> …that people detest being made to spend six to 15 minutes in a room by themselves with nothing to do but think – even to the extent of being willing to give themselves mild electric shocks instead.

Simply pointing out the importance of external stimuli is like responding to an observation that many people cannot hold their breath for 30 seconds (say) by pointing out the importance of breathing.