Why does the man feel dumb?

M: You know, I feel really dumb. Um, there’s so much that I don’t know and so much to read that I can’t process all the information available. Do you feel the same way?
W: I know what you mean. There’s so much to find out about in so many different ways nowadays.  We have television, we have radio, and we have all sorts of magazines.
M: Even in your own field, you know, you’d have to read twenty or thirty magazines a month in order to keep up.
W: Just to know what’s happening.
M: Yeah. That’s right.
W: You know, now, because of communication systems, uh, our sphere of interest is the whole world, whereas before, our sphere of interest was just our country or our area.
M: Yeah, yeah, that’s right.
W: I think we realize now that we should know things. And therefore, we are pressed to know these things.
M: Yes, we’re..., whereas before people didn’t understand that...
W: And as an educated adult you also have to keep up with certain international events and affairs, or you cannot really be a responsible person.
M: Yeah, you know you’re responsible for making decisions about not only your own life, but many other things and you have to be informed to be able to do that.
W: You have to learn to pick and choose information too.