I advise you to say your dream is possible and then overcome all inconveniences, ignore all the hassles and take a running leap through the hoop, even if it is in flames.
I'd rather be a could-be if I cannot be an are; because a could-be is a maybe who is reaching for a star. I'd rather be a has-been than a might-have-been, by far, for a might-have-been has never been, but a has was once an are.