I started working at a store two weeks ago. Majority of them speak languages I'm not fluent in but I do understand enough to reply back. Today a co-worker whom is also new told me I'm not fun to talk to because most of the time I didn't know how to respond or react to their jokes because that's just how I am as a person. I try not to let it get to me as I promised myself before started working that I won't let my performance at work define my whole identity as a person but deep down it hurts me a lot.