Hi, I'm 14 And My Balls Hurt. This Started About

Hi, I'm 14 and my balls hurt. This started about 3 days ago. First my thighs would hurt, and then it would spread to my balls. It stays for between 10 minutes to up to 2 hours, then leaves, and then comes back a few hours later. It's not too painful, but it sure is annoying. Also, I've noticed I urinate more, and it's harder for me to get an erection than before this. I hope this isn't testicular torsion, as I read after a day, there is a low chance of saving your balls. I haven't also told my parents because I'm embarassed.