(if you don't know who he is) significant events of his life:his band came out in 2006, and he started acting in 2007.
in 2005 or 2006 he lost a huge amount of weight in a short period.
because of his weight, he got rejected by the agency now he's tied to, then he decided to get slimmer. I read that he ate too little and started to work out at the gym by himself. the result; he lost 20 kg in 1.5 months. (a true success story of ambition and hardwork) when he was a teenager he was overweight and now he's in his 20s, doing modelling.
not like a divorce but, I read that before he became famous, his girlfriend of 1 year broke up with him, since he's always busy with training. I read that, she asked him "your job or me??", the guy chose job, also said to her "it's for us, future" etc. "wait for me". then she broke up with him. (it must be in the first half of 2006 most probably) also that girl was older than him.
the last movie he starred had lots of problems;
the recording started in july 2012, the director left, the recording was paused in august 2012 due to a typhoon, the production company was dropped out... the filming was finished in the end of january 2013.
he also got injured in the end of september.
during 2009 (october-december), he acted in a war movie and a spy themed tv series; he mentioned that he had difficulties after portraying dark characters, stayed traumatized for a long time.
he purchased a huge house in 2011.
in the first half of 2012, his band released an album, and he mentioned that during the process he got tired mentally too much, unlike other members.
he also got hospitalized on november 5th, 2008, due to overworking. (some people speculated that he might commited to suicide...) in december 2007, he also had a similar issue, low blood-sugar...
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according to my calculations of aspects, he may have either aquarius or cancer ascendant. I think aquarius ascendant fits more.
he used to have a more sporty-hiphop style of clothing, recently he's combining classical taste with funky patterns. I thought he might have "uranus conjuncts saturn" in 1st house.