1) Friendship: The opposite of friendship is hatred and enmity.
2) Compassion: The opposite of compassion is cruelty, violence and ruthlessness.
3) Cheerfulness: The opposite of hilarity is sadness.
4) Gratitude: Grief, pain and worry are the opposite of gratitude.
5) Food: Eating unnatural food against age and digestion.
The five opposite aspects are in an impure state.