How important is verbal chemistry?

Do you think having conversational chemistry is super important for a long term relationship? I’m not talking about attraction or emotional connectedness. I’m talking about easy verbal rapport.

Just curious, I’ve been dating someone who I’ve fallen for but easily the weakest part of our connection is our verbal back and forth. We have very deep convos but there’s a clunkiness to them. I think we are both too self conscious around each other to have good banter. Meanwhile I can easily yap away and joke with men I have no romantic feelings towards lol. I see a future with this guy but i wonder if something is missing.