I think he may be having a go at the grammar, puncuation & context of your sentence.
Get your head down our kid, work hard & get yourself through A levels & into a university. Approach the AFCO for an application for sponsorship at 6th form.
Good luck Shemy, you seem to have occupied yourself well with worthwhile activities & that's great to see!
Work on your typing, grammar and punctuation fella, they're
shokcing!