Can you advise me.friend ran a dianabol only steroid cycle unaware of effects?

Glad he has you: I'm glad you're concerned. Anabolic steroid use is widespread. The greatest danger is to behavioral health, though there are other good reasons to avoid these medications. As a friend, be ready to tell him if his moods seem strange. Especially, consider asking him, 'Hey! We're friends. Would you like to be my gym partner and we're both natural bodybuilders?' Again, thanks for caring.