Welcome to SR Laurie
I think you already knew the answers...
I don't know anyone, who having crossed that invisible line, could then go back and 'control' their drinking (3 doubles btw is in excess of moderate drinking standards).
I also don't know anyone who'd rationally make a decision to keep on drinking if it exacerbated health problems...
Life is short. Don't make it shorter Laurie.
Congrats on your 29 days - if I was you I'd go back to that.
D