Comment by 85392_school

Why would he be helped if he truly doesn't give? He speaks about this a little:

  the person being aided can reciprocate with degrees of humility, dependency, gratitude, surprise, trust, delight, relief, and amusement

which, at the time, was genuinely valuable [0].

[0] Discussed more at https://news.ycombinator.com/item?id=46555688