You aren’t a fool, you are an addict.
As an addict it doesn’t matter how skilled we are, what sort of “system” we have, the addiction will always win in the end.
So the answer is NO, it is not possible for a Compulsive Gambler to return to “normal” gambling. Not possible to stick with a system or any plan really, as you found. If we were able to show the “control” you talk about then we wouldn’t be in the chit in the first place.
You managed to stay gamble free for 5 months and found happiness. You did it then, you can do it again. This time though put barriers in place so that if in 5 months time you get tempted again you will be unable to access your money as easily as you did this time.
Keep posting here as well – if we need help to stop then it is important to keep using support to help maintain recovery.
Keep posting and let us know the positive steps that youa re taking and the thigns you are doing to fill your gamble free time.