A crush is just another word for fancy, or you have real interest in someone, were you emotions to the crush is hyped up. A crush is another word to cover up that you fancy or like someone or something that they do, without telling them that you fancy them. its more leaning to your thought process of your brain, were your emotions play a huge part towards a crush.
A crush is just another word to say I like you a lot. but cant bring yourself to tell that person. so, you get your friend or someone you know or they know to have words on your behalf. A crush is a hyped up feeling for something or someone.
But you can have a crush on someone, but wouldn't have a relationship or marry that person, its just that your emotion for that person or what they are doing that you have this crush on about. its not a bad thing or good thing, its something you may want to watch and be careful about, same as flirting, to some, its a good thing, to some its bad. People say flirting is harmless, yet most of the time, you hear report of slits or break ups or even divorces over flirting.