Heath ledger......?

to prepare for the role he really wanted to feel what the joker was felling he wanted to become the joker. so he wanted to fell the isolation so he went and lived in a hotel room all by his self for a month. he also wrote in a journal as the joker. i think it really messed with him and he developrd insomnia.... he was an amazing person and actor. he became the joker and he deserves an oscar!