Ian Wilkinson, the sole survivor of a deadly Australian mushroom poisoning, says he feels only half alive after losing his wife and two close friends.

The woman accused of murdering three members of her ex-husband’s family by serving them poisonous mushrooms has taken the stand at an Australian court on Monday as the highly publicized triple murder trial nears its conclusion.

The Australian host of a weekend family lunch is on trial charged with murdering her estranged husband’s parents and an aunt and attempting to murder an uncle with poisonous mushrooms.