Separation is not good and it becomes negative, if it is cropped up from the feelings of rejection or ignorance or feeling boredom and not taking any interest in anything. But the separation is good , if it has come from within without any reason. Then it becomes the seclusion or solitary. If it has some purposes. The separation is meant for seclusion. The seclusion is best for intense mediation. If it has some the experience of spiritual bliss and happiness within. It is good enough, if it is being enjoyed within and without while using one's discretion and determination. Everything has its multiple aspects. Please don't conclude anything in a single dimension only. The separation has also the good and positive dimensions. The consequences of seclusion/separation depend upon the causes, purposes and intension behind. Please know the fact about separation and go ahead.