[He looks a little surprised at that. This makes two people to approach him today, saying he seemed sad... was he not masking it as well as he used to? Perhaps not. Whether or not this is a good thing remains to be seen.]
Yes, I'm all right. [Though his voice just now doesn't sound so sure.] I'm sorry if I worried you at all.
[Action]
Yes, I'm all right. [Though his voice just now doesn't sound so sure.] I'm sorry if I worried you at all.