[Greg:]
Of course, I know that my words are the merest
puff of methane in a windstorm, so now that I've
released a little pressure (and no doubt someone
will be happy to light a match in the vicinity
and fan the flames), I'll shut up again.

[Greg, later on:]
and I shall respond no more.

[Julio:]
This you have already promised, but did not stand by
your word. Anyway, I don't care.

[Greg, now:]
Fair's fair - I broke my promise, and you're obviously
lying!

Fart is fart. This is how you see (or smell) and (dis)honor your own words!

Julio.