I want to learn how to stop having a “Golden Retriever” personality

I’ve been told many, many times by different people I have a golden retriever personality. I know they usually mean it as a compliment, but I can’t shake the feeling that with that title comes negative associations. I’m “energetic, extroverted, sociable” and while I don’t think those traits are inherently bad, I feel like sometimes I take it too far. Sometimes it makes me think that others view me as childish, naive, or even stupid. I’m not saying I want to lose my personality entirely but I would like to be viewed in a little more serious light. What are some things I can start doing to help this?