Yes, your parents are out to get you. Manny Acta, Jim Bowden, and Stan Kasten, however, are not.
The internet can do a lot, but it doesn't want to listen to you whine.
Good pitches get hit.
Good players have bad days, weeks, months, seasons.
Players might have funky hair, or have a walk up song you like, but this doesn't make them good at baseball.
Bad players have good days.
The guys on the other team are trying to win too.
Get angry when a great player does something great, but deep inside be happy you get to witness his career.
If a player makes a mistake he is more upset at himself than you are.
Finally, enjoy being young. It won't happen again. However, blown saves, walk-offs, and web gems will.