Massive lost is unbearable

I had a big loss on bank holiday Monday for me I had been completely clean for 6 months I managed to save up a fair bit of money in that time until yesterday I blew 600pound straight down the drown in the space of an hour. I'm not sure what came over me as I have let myself and family down massively again another blip in the recovery unfortunately. The way to look at it is and what got me through the 6 months was that even if I was to win that money will end up back in another arcade casino fobt wherever it doesn't matter and would think I don't want another sleepless night or worry about how I will afford the months for me I would look at children and be knowing I have let them down like I have again now. Gambling is unfortunately impulsive and drastic for me so I would also leave bank cards at home but try and take an amount out with me that would get me through a  day if  I needed it for emergencies like maybe 40 pound. I will go again and I will not gamble forever hopefully but as we know its so tough but I will def go past 6 months I know I can save and enjoy life again gambling makes me lie miserable and stressed so I don't want to go there. Also I must try and not have a bank card on me like yesterday as proven eventually having that card has cost me a lot don't get me wrong it wasn't the first time I accidentally took my card out so I can work on that aswell. Good luck just keep head strong dont give up.