It's rude to flake out on someone.
Christina made dinner plans to go out to dinner with her friend Eugene but when the time comes to go out she's exhausted.
Christina wants to have some dinner.
Christina drinks an energy drink and heads out to the restaurant to meet up with Eugene.
Christina grabs some food from the fridge and texts Eugene minutes before their agreed upon time, letting him know that she won't be able to make it.
Eugene has a nice time with Christina but can tell that she's tired, so he offers to cut their outing short, so she can get some rest.
Eugene has dinner at the restaurant by himself and decides not to invite Christina out again.