No.
a thirteen year olda boner is about from 4 to 5 inches may be six it depends on your size if you way more it is smaller if you are say 90 to 120 your penis will be bigger and it depends on your puberty level tip: to make your penis look bigger shave the pubes and for arm pit just trim it cuz girls like it
Nothing.
Yes, convex lens make objects loook bigger
no, it is not proven that caffeine makes your penis smaller, it's just a tale
No.
Hamburgers, beer, big and fat sausages are what will make your penis bigger. (I've experience with my husband)
glands
Most likely masturbate!
No. The size of your penis can not be changed in any way, only by operations and actually they don't make it bigger. The just do some tricks to make it appear bigger.
Semen. That is what can make you pregnant.
No
KFC.
You can not make it bigger even if you take pills sorry
Orange juice will not make your penis bigger.
its a pain reliever so NO!
No.