She cannot be divorced from him without his permission, yet his taking a mistress and begetting children by her, is clearly grounds for divorce. That in itself is a severe violence done to the marriage. But add to it, his misuse of her medical award money, obtained to help keep her alive and used to win her death. Then tell me she doesn't need a lawyer and guardian to look after her interests.
It's no wonder most sensible people think he put her in that condition. The monstrous abuse he's committed since then, plainly demonstrates his capability.