Please answer my question

There isn't a question.

If you were 32 and wondering about your maturity, I would be concerned. You're only 14. You still have seven or eight years (and more) to mature.

Check back when you're 32.

What is your question?

Has not gotten deeper, and my penis has not grown and I have masturbated before, with little amount of ejaculation and I wanted to know if its okay to masturbate with a pre-puberty penis (2 and a half inches when erect) and have it not affect the growth or function of the penis

This is the continuation of the question. Somebody please answer

Yes, go for it. No, it won't affect your growth and maturity (unless you overdo it).

Will not make it bigger, and you measured it ? To be a child again.

But it is ,what it is, and will often just be a matter of time