>>11110054>>111100503 seconds without blood (carotid artery wound)
3 minutes without air (underwater and struggling)
3 hours without shelter (naked in summer at night outdoors without being a fatty)
3 days without water (in heat and humidity)
3 weeks without food (without vitamins or being a fatty)
3 months without 4channel (not being a turbo normie)
3 years without social interaction (deserted island)
3 decades without having children (being an incel)
Obviously there's a range, but if you are a fit person then this will mostly apply to you. If you want to get better in any particular thing then you may need to fatten up, increase your lung capacity, make an imaginary friend, become a vampire, and/or whatever you want to focus on. The Rule of 3 is just a general guideline that tries to inform you that shit happens and can fuck you up very quickly if you are not properly prepared.