You don't have to have DID to have Dissociation which can also be found in a number of disorders. The more common slang for Dissociation is simply zoning out, and everyone does it occasionally. A common example would be your driving to work and it usually takes 30 minutes and quite a drag usually, but one day you get to work amazingly quick and think wow, I made great time, look at your watch and it is the same you always arrive at. So what happened? You zoned out, which is a form of Dissociation. Generally it is not a problem until it begins to interfere with your life. You may have a totally different recall of a conversation or series of events then your spouse, friend or boss. You will of course thenk they are wrong and are purposely trying to make you look bad, Dissociation. This is another very common form of Dissociation that can be found in a number of disorders. There are also other forms going all the way up to DID. But basically dissociation is not forgetfulness, it's zoning out for a period of time. You can tell when some is doing it by their eyes which seem to look through you.