It may also be the case that you have lots of social contact, be in a relationship and have family and friends around you, and still feel lonely.
Hefyd gall fod yn bosib fod gennych lawer o gyswllt cymdeithasol, eich bod mewn perthynas a bod gennych berthnasau a ffrindiau o'ch cwmpas, a'ch bod yn dal i deimlo'n unig.