A cold does not = flu.
A sore throat does not = tonsilitus.
Going out in the cold weather does not give you a cold.
You are not dying when you have a cold. You will feel like shit for a few days but you aren't that ill.
You do not need to go to the doctors for everything. Sometimes just waiting to see if something clears up on its own is the best course of action.
Rant over!