Aphthous Ulcers Shiny Aphthous Ulcer On My Soft Palate, Not Gone For 6 Days?

Aphthous Ulcer on my soft palate, not gone for 6 days? - aphthous ulcers shiny

And he seemed a bit then stops growing. Between me and my soft palate, tonsil.

It bothers me, but the starting position to frighten me.

I am 16 years old.