David King

In summary: (1) Family time is limited—cherish it. (2) Friend time is limited—prioritize real ones. (3) Partner time is significant—never settle. (4) Children time is precious—be present. (5) Coworker time is significant—find energy. (6) Alone time is highest—love yourself.

Time Spent Alone Steadily increases throughout your life. Key Lessons: • Learn to embrace solitude. • Flex your boredom muscle regularly. Find happiness and joy in the time you have to yourself—there will be a whole lot of it as you get older.

Time Spent With Coworkers Steady during the prime working years from age 20-60. Key Lessons: • You'll spend a lot of time at work. • Who you choose to work with is one of the most important decisions you'll make. Find work—and coworkers—that create energy in your life.

Time Spent With Children Peaks in your 30s and declines sharply thereafter. Key Lessons: • Time with your children is short—the "Magic Years" will fly by if you let them. • Be present in every moment. Slow down and embrace the sweetness that children bring to your life.

Time Spent With Partner Trends upwards until death. Key Takeaways: • Who you choose as a partner is the most important decision you'll ever make. • Find someone you genuinely enjoy spending time with. Never settle for less than love.

Time Spent With Friends Peaks at age 18 and declines sharply to a low baseline. Key Takeaways: • Embrace friendship breadth, but focus on depth. • Cherish those who are with you through good times and bad. Invest your energy in the healthy, meaningful friendships that last.

Time Spent With Parents & Siblings Peaks in childhood and declines after age 20. Key Takeaways: • Time with family is limited. • Time with parents declines sharply after age 20. • You may only see your loved ones a few more times. Prioritize and cherish every moment.