Bones shook his head, once again looking fairly serious. "Nah, you shouldn't be offended. If anything, you should be flattered." He nodded to the joint. "I don't share with just anyone, you know."
That wasn't untrue. He shared with his friends. ...The fact that he had a lot of friends was a minor detail.
"I'm not busy now, but in general yeah. I am busy." He seemed to doubt himself because he added. "Somewhat." He had a decent number of jobs, sure, but 'busy' was overselling it.