How much savings do you need to feel secure?

Savings of 10k: 5% sense of security, often insomnia at night
Savings of 30k: 10% sense of security, afraid of headaches and colds
Savings of 50k: 15% sense of security, occasionally splurge on late-night snacks
Savings of 80k: 20% sense of security, actively participate in friends' gatherings
Savings of 100k: 25% sense of security, two short trips in a year
Savings of 150k: 30% sense of security, dare to try a high-end restaurant
Savings of 200k: 35% sense of security, willing to stand up to workplace grievances and consider quitting
Savings of 300k: 40% sense of security, start thinking about buying a car
Savings of 500k: 50% sense of security, begin to consider buying a house
Savings of 1M: 60% sense of security, shop at supermarkets without checking price tags
Savings of 2M: 70% sense of security, browse any store confidently in shopping malls
Savings of 5M: 80% sense of security, carefully plan for children's future
Savings of 10M: 90% sense of security, confident enough to support family and oneself