Pushing someone's happiness button is like doing them a favor, or giving them a gift. Do we have social customs that demand favors and gifts always be exchanged simultaneously? Well, there are some customs like that, but in general no, because we have memory and can keep mental score.
To whom it may concern:
This thread is for the discussion of Less Wrong topics that have not appeared in recent posts. If a discussion gets unwieldy, celebrate by turning it into a top-level post.
(After the critical success of part II, and the strong box office sales of part III in spite of mixed reviews, will part IV finally see the June Open Thread jump the shark?)