Mistress Lea wanted her slave to know what she was capable of and what she could do to him if he messed up. That is why she chose to use food crush fetish to send the guy a message. It had to be a message that he was not prepared for. She crushed the food and told him she would do the same to his head and his balls if he messed with her.
Mistress Akira and her boyfriend had an argument and she did not want to let him win it. She had to punish him and she did so with her boots. Since she could not beat him physically, she chose to crush the food he had bought for her. It was a slap in the face for him but he could not do anything about it and he tried to make amends with her.
Goddess Chanel was angry at her boyfriend and she went for a walk to clear her mind. As she walked, she had a box of chocolate which her boyfriend had bought for her. She threw it down and she crushed it with her high heel boots. She destroyed it and made sure there was nothing left of it by the time she was done crushing it. She felt better and went back home.