20 yr old woman UK. Just left a 4 year relationship... I've never been a single adult. What do I do?

This period of being single is an opportunity. So do not be afraid.
Use this time to explore the things you really enjoy, your passions, spend extended time with your friends.

I'm a strong believer of embracing being single, and using that to get into stronger relationships in the future.

I talk about this on my blog www.jermainesmind.com