If someone with a IQ>=150 does nothing but attempt to erect a facade of normalcy all the while growing more and more contemptuous for the (abnormal, in his/her eyes) world around him or her that IQ isn't really benefiting them much
Nearly always though they become more and more jealous of the simplicity of life amongst the less intelligent. The way one might look upon a special needs child, whose joy of life is never shattered by the need to understand anything. The super intelligent cannot hope to achieve the simple pleasures available to the masses. Which is why so many drop out either via drink or drugs. Trying desperately to fit into a society that doesn’t like smart arse, unable to even see when they were "being" clever and slowly wishing they where just like everyone else.
Either that or inventing nuclear bombs and the like.
Anyhow, it doesn't matter what your IQ is really; it matters what you do with it
No. It matters how happy you are.