You can have virtually anything you want, but you can’t have everything you want.
Life is like a giant smorgasbord of more delicious alternatives than you can ever hope to taste. So you have to reject having some things you want in order to get other things you want more.
Some people fail at this point, afraid to reject a good alternative for fear that the loss will deprive them of some essential ingredient to their personal happiness. As a result, they pursue too many goals at the same time, achieving few or none of them.
In other words, you can have an enormous amount: much, much more than what you need to have for a happy life. So don’t get discouraged by not being able to have everything you want, and for God’s sake, don’t be paralyzed by the choices. That’s nonsensical and unproductive. Get on with making your choices.