You have perhaps learnt a valuable lesson here. That despite 1000 days of abstinence (and well done on that) you are still a problem gambler and just one bet will lead to more and more betting. As a medical student – you will know a bit about the brain’s working and what synapses are fired once we go back to our old habits. So don’t be too hard on yourself.
I now think of gambling as my version of peanut allergy. I might love peanuts and I can see other people eating peanuts with no ill effects – but if I was to eat just one peanut (gamble) it would be disastrous. I can live without peanuts – I just have to watch for them creeping up on me when I have my guard down!
So keep yourself strong, don’t try and chase the losses, don’t test yourself to see if you are no longer a cg. Keep studying, get a wonderful job in the medical world – make a difference.