You'd be surprised by the sheer amount of people who state their abilities only to refuse to offer help when asked.

[ Why yes, he is a pessimistic cynic, thank you for noticing, oh wise Mr. Troll!!! ]

Tell me, would you be willing to face fearful adversaries, monsters, creatures, things that may or may not kill you? I wouldn't want you to come unprepared.

And um, you can bring the sandwich. If you like. [ S-sob because any food that isn't his will automatically be better... ]