A poor memory can be a blessing when you undergoes some painful events that you won't even think about.Bad memories fades easily and you are protected from the sadness or anger that might be aroused by them.Forgetful people tends to be happy because they are less bothered by the meaningless trifles.So it is not definetely a bad thing if you cannot remember well.It just depends on what you remember--is it worthy or unworthy to be saved in your mind?And one who knows what to remember and what to forget can surely enjoy his life.