He made a lot of money in the stock market and he's been 'living the good life' [=living the life of a wealthy person] ever since.
Even though he was acquitted, most people think he is 'guilty as sin'.
His mother did not want him 'living in sin' with his girlfriend.
(..) But now we must drive it back under the rocks whence it came. Madness has had its day! Forward, march! Rich or poor, noble or common, if we sin, we must atone. Margaery of House Tyrell came to us a sinner. She stood before the gods in the holy sept and lied. She turned a blind eye (..)2016 TvShow: Game of Thrones Title: Blood of My Blood Season: 6 Episode 6