Working in one I did the same, especially on big horse racing weeks with all the 'tips' I got. Saw a lot of people never drag themselves out of the pit, it's a bloody blessing people like us can lol.
I worked in a bookies at uni, I saw this attitude a lot at the start of big addictions, stick to it please, it's horrible seeing everything going so horribly wrong. You can only tell someone so many times not to do it, even as an employee, we dislike the slots.