How did seismic sense get improved? I can only think of Toph and Lin as being the ones who can use it.

<p>There was Aiwei, who also knew Toph's polygraphing trick.  (Lin doesn't seem to.) </p>

<p>that is what I meant using truth-seeing for interrogations. </p>

<p>Bolin needs to learn it.  Dissemblance goes against every fiber of his being; therefore, truthseeing would fit on a thematic level. </p>

yes it would but he should also learn metalbending.

<p>Maybe with truthseeing, but he has to mature first. He's so easily led by others. </p>

true.

You don't have to be related to a character we know to have the same abilities.

<div class="quote"><i>MysticNerd wrote:
You don't have to be related to a character we know to have the same abilities.</i></div>
<p>I think both of them being incredibly tall also played into why people thought they were related.
</p>

<div class="quote"><i> <p>Deist Zealot wrote: </p> <div class="quote">MysticNerd wrote:
You don't have to be related to a character we know to have the same abilities.</i></div>
<p>I think both of them being incredibly tall also played into why people thought they were related.
</p> </div> <p>Their ethnic features were pretty comparable as well. They might hail from a particular Fire Nation clan in which the trait is known to occur (without necessarily being closely related). </p>