Lose (one's) shit vulgar verb phrase
Have an outburst of an emotion, especially anger; lose the ability to think clearly
My mom lost her shit when knowing that I played truant today.
He totally lost his shit when he knew the truth.
The girl lost her shit when knowing her boyfriend cheating on her.
Express one's feelings of anger very strongly in spoken words
To look or glare very angrily at someone
People tend to like forbidden or illegal things just because they are forbidden or illegal.
He must have believed that stolen fruit is the sweetest, and he, therefore, cheated on his partner.