It is an amazing 3D world where the only limit is your imagination. There are fantastic music events, whatever your taste and other social events of all kinds. The shopping is incredible and your avatar can look any way you want it. You will mae friends from all over the world and be able to interact with them in physical ways. Cuddling etc.
There is help always available to teach you how to do things in many groups and friends, FB etc.
I mean, what's not to like?