You're not bad at conversations. You're just having them on hard mode without realizing it.
You walk into a social situation cold. No warmup. No plan. No awareness of what you tend to do wrong.
You perform under pressure in real time with real consequences and then judge yourself against people who've had thousands more reps than you.
You replay the worst moments afterward and use them as evidence that you're fundamentally bad at this.
That's hard mode. And you've been playing on hard mode your entire life without realizing easier settings exist.
Here's what easy mode looks like:
Warm up before you show up. Talk out loud for 2 minutes on the drive over. About anything. Get words flowing before they need to be good. This alone eliminates the stiff, awkward first 10 minutes that most people blame on their personality.
Pick one thing to practice, not everything. Going into a social event trying to "be more charismatic" is too vague. Going in with "I'm going to ask one follow-up question in every conversation" is specific and doable. Specific targets produce specific improvement. Vague goals produce vague anxiety.
Separate practice from performance. Athletes don't practice during games. They practice between games and perform during them. But most people only "practice" social skills during live social interactions where the stakes are real and the feedback is nonexistent. Find ways to practice outside of real conversations so the real ones stop being your training ground.
Review what happened instead of ruminating about it. Rumination is replaying what went wrong on loop. Review is asking "what specifically did I do and what specifically would I change." One tortures you. The other teaches you. They feel similar from the inside but they produce completely different outcomes.
Lower the stakes. Talk to people who don't matter first. Cashiers. Baristas. People on the bus. Practice your skills in conversations where the outcome is irrelevant so that when the outcome matters you've already built the muscle.
You were never bad at this. You were just playing on a difficulty setting that nobody can succeed on without preparation.