Confidence is the Key~ Getting your Hopes Up

I meant to do this a long time ago, but I have been feeling..... sick and pretty emotional :/ So here it is:
Not to be a downer on someones bright shiny day, but there are times when you should and shouldn't get your hopes up. I mean, don't give up completely (there is always a chance) because you never know which way fates quarter will turn! But when you know your dream will never come true, let me rephrase that; lets say there is a guy that you like, but you know you will never happen, don't tell yourself that "He is the one" or "I know he will be my husband one day", cause what if he doesn't like you? I mean yea, everyone says opposites attract, but is this:
- & + = <3
really true.
Now, as I said before, I don't mean give up you dreams. I mean, don't tell yourself something if you know it will not work. Examples:
Keep your hopes up

1. Pets coming home
2. Life long dreams
3. Somebody loves you

+ whatever else is in your reach

Don't make it a priority

1. Super hot guy liking you
2. having your life be a Disney fantasy
3. The guy you like liking you back 
4. You getting in the talent show/play
5. For your pet that was old and sick to come home after a year
6. ect.

As I said before, not trying to put your mind into a total depressed state, but it is true!

People think that anything could happen, that they are very lucky, and that they will get anything that they could dream for. But why? I mean I tried to get into the talent show with my singing, and my friends told me I was going to get in. Where did that get me? Just to a sad no from a friend that did get in. I accepted and moved on until I heard my family listening to one of my you tube videos of me singing the song I auditioned for the talent show. The only thing I can think of is why didn't I get in. The people who got in this year where in it last year! I just wanted to sing in front of everyone to show them I have a hidden talent so they wouldn't treat me like shit (pardon my french). But it is true! They treat me like dirt, and the only reason is that....... they don't know me and I am their scratching post, but back to the topic. Not many people know I am a kinda goodish singer, not many people know I have any other talent than art. I just wanted to show them that I have talents that I don't like to show, but that they are still talents. My friends got my hopes up.... and fate dropped me down in the ditches. Just to conclude that getting your hopes up in a hopeless situation is..... well... hopeless.