Alone is not mean the world is end and you cannot do anything, wake up from all of this thought and start to see your future and follow your dream. There are many thing to do to make this lonely not happening, when you alone is not mean you will be sad, when people stay alone there are a lot of reason and till they are happy with that.
For you!! someone who feel alone as a big problem in your life, don't be sad because you are not alone to be like this, see this whole world ......many people just living alone, no relationship but they still happy and smile and can do what they want.
There are many way to make you for not be lonely ( I hope so) and you can try my tips here:
Join community.
It could be English club, it could be book club, dance class, sport class, social service community
This is from me, be happy and love will be with you