It's important to think about what phase of life you're in when considering your answer to this question.

If you are just graduating from school, then the best phase of life is probably the early twenties. This is a time when you are still figuring out who you are and what kind of person you want to be. You can do whatever you want because no one is going to tell you otherwise!

If you are a parentand your child has recently graduated from high school, then the best phase of life is probably around their eighteenth birthday. This is often called 'The Golden Years,' because it's the time when children start realizing that they have responsibilities, but they also have freedom as well.

If you're retired and thinking about starting up a new business, then the best phase of life is probably between age 45-50 since that's when people feel most confident. They may not have much money saved up yet, but they know more about themselves than anyone else does at any other point in their lives!

My opinion

The best phase of life is a period when you're in your 20s and 30s.

The best phase of life is the one in which you are able to live up to your full potential. This means that you should aim for a healthy lifestyle, and try to make sure that you have enough time for yourself. You're young enough to have the energy and ambition to do whatever you want, but old enough that you don't have to worry about paying off student loans. You can start a career that you love, or take a few years off to travel or find your passion—but either way, you won't be tied down by debt anymore. You'll also be able to make more money than ever before, which means more time and freedom for spending it on experiences instead of things.