Small non religious or spiritual bits to learn about yourself?

As we all know, life is a journey of self discovery, etc, etc, etc. Throughout the few years in university, I realised that as important as it is to study hard and get good grades, it is also crucial to understand and know more about yourself. I’m certainly not referring to those new-age or spiritual stuff, but rather small but essential ’did you know’ bits about yourself.I’ve listed a few rhat I thought would be helpful for you guys to ponder about. Please add on to the list too!Knowing how much beer you can drink before getting buzzed, tipsy and drunk.Knowing what shape and type of glasses fit your face.Knowing how many cups of coffees you need to stay awake in the day and sleep well at night.knowing the photogenic side of your face? (Great for grindr or tinder users)Knowing what food will cause you to go into a full rampage diarrhea.Understanding your study patterns. Like do you work well at night?Knowing if you’re a breakfast person. I can’t stress how important breakfast is to me.