We made my husband's dream come true;sold our flat, bought a motor boat, put the few pieces of furniture, we wanted to keep and our books into storage. Packed ourselves, my husband's tools, two cats (with EU passport and rabies' vaccinations) into our boat and spent two years sailing the waterways of Germany, the Netherlands, Belgium and France, then back to Denmark, via Luxemburg and Germany.
I was less the happy about it to start off with, but I am glad now that we made the trip. We met so many who had dreamed of doing the same, but put it off too long and had to give up the idea, due to ill health or bereavement.
We met lots of lovely people, saw some places we had always wanted to, and lots of nice towns and villages we had never known existed. Got an idea of how people live in some of the other countries in Europe. Wow, such small houses in Belgium and the Netherlands, and if you think houses are dear in UK, then think again!
So retirement is the time for turning dreams into reality, or at least seriously considering whether you want just to dream or to do the things you, or one of you, have been dreaming about.