What Charm Is
“You know what charm is: a way of getting the answer yes without having asked any clear question.” ALBERT CAMUS · THE FALL
Clamence is confessing, and this is one of his sharper diagnoses of himself. Charm gets you agreement without exposure. You never put the request into words, so you can never actually be turned down. The other person says yes to something that was never specified, which also means you never have to discover what they thought they were agreeing to.
Camus makes this a symptom rather than a skill. Clamence spent his whole life being liked and ended up unable to name a single person he had genuinely been with. The charm was the mechanism. It held every relationship at the temperature where he was admired and nothing was required of him.
The alternative is worse in the short run. A clear question can be answered no. If you ask someone directly for their time, their help, or their commitment, you are handing them the ability to decline, and you will occasionally find out exactly where you stand.
That is the cost of anything real. The people who actually know you are the ones who had a chance to say no and did not take it.
What clear question have you been getting around by being pleasant? Ask it.