Here are video's from someone who has it and knows first person what it is like. He speak about how different drugs effect it, It is extremely interesting to find out about although I know I will never fully be able to understand what it is like to live with. Part I: [ame="http://www.youtube.com/watch?v=BcSuRxi8hO8"]YouTube - Synaesthesia: Which color is A? Part I[/ame] Part II: [ame=http://www.youtube.com/watch?v=00izxEm5kD4]YouTube - Synaesthesia: Which color is A? Part II[/ame] Part III: [ame=http://www.youtube.com/watch?v=HUI6xQLg8zY]YouTube - Synaesthesia: Which color is A? Part III[/ame]
IMO this video best shows what synæsthesia is like: [ame=http://www.youtube.com/watch?v=aIEiOrxhtNQ&fmt=18]YouTube - Synesthesia[/ame]
I read an article about how children experience natural synesthesia, associating numbers and letters with feelings , I kinda feel its true.