Never mind the dream, concentrate on the reality. If you have never been in a light aircraft, go take a trial lesson. Make it an hour to be sure.
If you want to go further, before you do anything else, go and get a class one medical. If you can't pass that, the "dream" ends right there.
If you pass that, come back here and we can discuss the madness of spending £100k on a licence when there are so few jobs.