How to improve communication skills?

i dont mean to brag, but i used to enjoy talking and hearing myself talk to people because i liked the words that i choose and my wittyness and charm. I developed my communication skills through chatting online way back, and mastered the arts of manipulations through words. Well anyways thats long gone now... i havent chat to anyone for a long time ever since i've had depression its been 7 years now, my communication gets worser and worser each years, ive lost almost all my friends, i dont sound like how i used to. it just feels like i will never be able to be interesting again and it upsets me.. :(