If you live in the moment, you can experience happiness. If you always worry about what your future is, you will miss the experiences of today. You can't predict the future, but you can change the present.
I used to lie all the time when I was a teenager. I pretended that I was dating a guy because I was too embarrassed to be single. I lied about getting implants while I was college even though it was extremely obvious that I returned from summer break with more than just a vacation tan. And of course I lied to my parents about everything