My fiancé has mental disorders and uses hard core prescription drugs occasionally should I be worried?

my fiancé checks boxes in so many ways but I am worried about his mental disorders.

1. Panic disorder which he hasn't had in years but has prescription Xanax for which he uses whenever he's extra stressed.

2. ADHD and takes adderall randomly when he has shit to do but he works well without it sooo I don't know if he fr has ADHD

3. Random other prescribed controlled substance pills that I don't know how old they are. He doesn't take often.

4. Depressed 3 years back and almost took his own life by wanting to take pills. I don't know should I be worried about his mental disorders. Is this a big red flag that I am taking lightly?

My fiancé has mental disorders and uses hard core prescription drugs occasionally should I be worried?
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