@Seidon
He hasn't actually killed himself yet (it seems).
The first time, he was killed by the masked person who I'm not convinced is Lilia yet. Then he was killed by Kai/Cetus. The third death was by Lilia(?) again.
His most recent death was by drowning. You can probably classify that one as manslaughter by Noa. Now it looks like masked Lilia(?) will kill him again soon for death number five.
I doubt he can even hobble around anymore, so I don't think he'll be able to kill himself this time even if he wanted to.
@DANDAN_THE_DANDAN
I believe Japan has a social healthcare system, such as the ones you see in Canada and most of Europe.