Cut back on the booze
This one has many elements! There’s drunken eating (got to love a 1am kebab), the glucose alcohol contains, and then the glucose drop the following day. When quitting drinking many people find themselves turning to sugary foods to compensate for the glucose hidden in alcoholic drinks- that’s part of the shakes. This is obviously worse for heavy drinkers, but however many units you consume alcohol is detrimental to weight loss. The calories in alcohol have no nutritional value, so if you want to lose weight fast, an easy way to start is throwing out the booze.