
...correcting for OBSERVATION bias
and postulate an initial dating age of 15...
The Big Bang Theory Season 4, Episode 1

That's not overconfidence.
That's OBSERVATION.
The Big Bang Theory Season 2, Episode 12

I have a conclusion
based on an OBSERVATION.
The Big Bang Theory Season 1, Episode 10

The OBSERVATION period
is almost over,
Westworld Season 2, Episode 4