Secret? There's no such thing because winning will always vary on what game you are into. Probabilities will depend because pure luck based ones is different from strategic ones.
The important thing here is that you do enjoy while you are playing without making yourself fall into the pit of addiction.
Perfect advise playing gambling is pure luck, playing gambling is for just having fun and enjoy it and alwyas set greed control how much money reasy tolose to avoid misserable failed and yo avoid addicting. So meaning play gambling with have self discipline.