Single is OK for a while and allows you to be your own person. It is important to live a full life on your own for a period of time. It is empowering to be self-sufficient. Everyone should do it at least once. Eventually, however it becomes an unhealthy and dark place. Bottom line: Single is fine, if you have some dates here and there. If you don't being single fucks with your mind.. As with everything in life balance is key.