It is wrong to mislead someone about your romantic intentions.
Sheldon, who has an unrequited crush on his friend Becky, just lost an important game.
Becky wants to make Sheldon feel better.
Becky compliments Sheldon pointing out all of the good things he did in the game.
Becky casually flirts with Sheldon.
Sheldon's self esteem improves.
Sheldon believes that Becky likes him, but his feelings are crushed when he finds out she was just trying to be nice.