IPhone won't stop turning off and on?

My iphone has been acting strange lately. Before it would crash while i was using it and the screen would have lines and different colors on it, and then it would restart itself. Now, i can't use it at all! The phone restarts, but then it gets stuck at the apple logo. Then, it goes to a black screen for a quick second and then it goes back to the apple logo. It won't stop doing this and i'm afraid to tell my dad because he would get mad at me. Please help?

Added (1). update: now it's just completely stuck on the apple logo… Ugh. Someone please help.

Added (2). now it did the lines/color thing again, it went to the apple logo, and now it wants me to connect to itunes.

How old is your phone? Sometimes, when phones are really old they just stop working. IPhones also do this after they've gotten wet. If your phone is relatively new and it has never gotten wet then you need to take it to Best Buy, or your phone carriers store like AT&T or Verizon to help you

What if it got wet, what should I do?

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