
that would be HELPFUL
with this discussion.
The Big Bang Theory Season 5, Episode 4

Uh, HELPFUL hint--
trim your nails first.
The Big Bang Theory Season 5, Episode 17

Okay, this was HELPFUL.
The Big Bang Theory Season 7, Episode 19

Read it, not HELPFUL.
The Big Bang Theory Season 2, Episode 13

he gave him all sorts
of HELPFUL advice.
The Big Bang Theory Season 7, Episode 22