because, of course, this is an
exothermic REACTION, which means
Breaking Bad Season 5, Episode 14
If the two of you engage in intercourse,
this will create the biochemical REACTION...
The Big Bang Theory Season 2, Episode 9
Still no REACTION.
The Big Bang Theory Season 7, Episode 5
...or drinking coffee while driving
reduces one's REACTION time...
The Big Bang Theory Season 2, Episode 5
For every action,
there's an equal and opposite REACTION.
The Big Bang Theory Season 2, Episode 22