@Oj_simpson as a former hardcore Adderall addict, you will be completely useless for a while.
One of hardest parts is getting used to not being productive anymore.
The other VERY difficult part is the anhedonia which will subside after a month or two, but you won't experience regular emotions again for 6 months.
You might have anger issues, lack of interest in sex, insomnia after the initial withdrawal wears of, etc. Your "mental health" will be pretty bad tbh.
Long term this addiction will completely destroy you in an insidious way. You will become far less social and much more anxious and depressed. You will actually become unproductive as you will end up spending 10hours perfecting a 10 slide powerpoint at work and losing sight of the bigger picture.
Just be aware that these symptoms do last a while. Big pharma has an incentive to lie about how long these withdrawals last and how intense they are.