People can sniffle plenty and not have the flu or another illness. Once you have become an adult, and pay attention, it is really easy to tell the difference. I frequently get allergic response to various things. Even when medicated, there is still a slow trickle.

Maybe you should trust people, he probably knows of if it is allergies or the flu more than you do.

I don’t care who you are, free pizza is a gift I will accept any day. It will beat anything else I would be bringing in for lunch.