Sometimes I've thought about how much more trouble I would've gotten into if I had just been a little more assertive. I often feel like I was "saved by my Fi" but then other times tortured by it.
People sometimes see me as lazy.... and quiet, and then it's like somebody suddenly lit a fire under me. The truth is, the fire is always there, but there's this built-in filter thingy that doesn't always let it out.
I see in my son what it's like to have the fire on the surface almost all the time. He's only 9, but he fits most of the ESTP descriptions very well. We have so much alike, but are very different in our expression, especially as children. He has gotten into all kinds of trouble in school for not being able to contain himself basically, whereas I very rarely had that problem, instead teachers just thought I was either stupid or I was smart and just wasn't trying.