dawn williamson , 39 and based in scotland , could not even confront a plastic snake without panicking , and would obsessively check her toilet for the reptiles every day .
but viewers of itv1 's this morning were amazed as therapists nik and eva speakman broke down dawn 's phobia with their no-nonsense approach , which involved ` proving ' to dawn that her fear was irrational .
but today 's was the first time viewers have been able to see the process in action .