Fairies are said to be spirits of Nature and are part of the legends, myths and folklore in many countries. No person has been able to prove yet, to the full satisfaction of scientists, that fairies exist, nevertheless, it is said that this is just because they don't want to be seen unless they choose to do so, appearing only to those pure of mind and spirit.

Nobody can be sure. Someday we may just find one. There is no 100% or 0%. But of course, there is no proof that they exist or not.

Yes and No.

There is no real proof. It all comes to yours and others imagination.

Some people believe in fairies, some do not. It depends on what you believe in.