>>127276761) eat less and less often
2) no sucrose, no fructose. If you want something sweet eat a bit of honey (it’s okay because of it has many other healthy compounds in it)
3) if fat was exposed to heat and air, then it has become degenerated, which causes oxidative damage and inflammation, which further inhibits good mood and sleep quality. This affects your mood more than looking at whether it was saturated, unsaturated or polyunsaturated fat. So using fat in a pan, or an oven, an air fryer will degenerate it sufficiently to cause problems.
4) put complex carbs over simple carbs, still be careful of degenerated fat because many carbs are full of it.
5) take in all the necessary nutrients. Be careful with supplements and never overdose.
6) exercise
7) sleep & relax