I give this advice to everyone. The first step it to visualize how you would be confident and fake it till you make it. I make no promises that everyone will be perfectly approachable but keep trying and I promise it will get so easy it will be natural.
'The Fosters'. I've had a good cry or two on that show.
My advice is to visualize the way you want to be around people and then fake it till you make it. I found it helpful and I hope you do :)