Hi D&A welcome
I felt similar years ago until I found a hobby, model airplanes. My wife also felt the same until she found adult colouring books.
Mind diversion is great for filling in time.
My daughter found her true love online. They will marry next year.
Its a good way to go because you can match up your personality/interests.
I can recall this happening with me, but I had a dog that always wanted my attention, however it still didn't stop how lonely I felt and at that stage I didn't have a computer.
Are there any social clubs that have a 'get together' at night time where you could meet someone or invite a small group home to your house.
With your illness are you getting help for this BPD, and if you aren't then would it possible to see your doctor who may want to put you on medication which would then help you. Geoff.