Talking to People

This sounds crazy but my ex-job has helped me with my talking skills.
I was working in retail so its expected of me to approach customers if they need assistance or answer any questions they have.

When I started the internship, my manager would always tell me how to stand to look 'approachable' for customers to talk to and she always told me to make eye-contact so I won't look 'closed off'. She was basically teaching basic things that I usually don't do because I like to avoid strangers. She also told me that the customers also feel as awkward as I felt haha which made me feel better. In Burbbery, its expected for us to greet and shadow a customer. When I started, I hated it because firstly, I hate greeting/ approaching people. It makes me super anxious because I never know if people are going to respond but again, my manager told me that when people don't respond its their problem for being rude not mine. So   after 3 months of working there, I think I've learnt a lot of people skills which for me helps with my talking skills. This sounds super weird but I had to practise talking to all customers who came in just in case I got a mystery shopper who rates the service. So I was always put on the spot but after a month, I got use to it and wasn't afraid anymore.

Dr. Ivan Joseph illustrates how negative self-talk does not help with confidence. I really related to this because I'm the most pessimistic person . To me, after achieving something, I am very happy but then I sit and I'm like this is expected. 
However, I am trying to not think like that anyone. I am trying to see that achievements to everyone is different.