Answer:
1. Insane 2. Repulsive
Offmind's Explanation:
If you feel happy and mad at the same time it might be some sort of mania you've been induced to so you would be insane.
If you feel disgusted and fearful as the same time both words could form into repulsive because repulsive means to arouse intense distaste or disgust.
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-Offmind
