I believe that nobody does anything unless they want to, because it gives them pleasure.
So it's not a personal criticism.
I was on my way to the pub. I definitely didn't want anything that delayed that process.
I don't stop to help him because I wanted to feel warms and rosy.
You mistakenly deduced that in return for your involvement he owed you conversation. Effusive gratitude perhaps.
I didn't expect or want him to engage in conversation. I just wanted to provide him the bare essentials to clean his grazes and enable him to go about his business.
Apropos gratitude, yeah, a thanks would have been appreciated.
