Habits that we form as adults can be a real impediment to fun. When we do script our lives too tightly, then we don't leave room for serandipity. The ability to open ourselves up to serendipity and not feel every moment of our day has to be productive and structured is really important. And think that one of the things that fun can help us do, or prioritizing fun, i should say, is to give us more of these unexpectedly delightful experiences which make time seem to slow down. If you are doing the same thing every day, ye, the years are going to grow hollow and collapse. I mean, that's the feeling of time