It always saddens me when I hear of adults closing off conversations with children (and in this case in such a dismissive manner). Adults really should realise that they are constantly teaching children, or rather, children are constantly learning from them. What did this exchange teach?<p>A better approach is to keep things open - for example, respond with something along the lines of &quot;how do you know?&quot; (or even just &quot;why?&quot;). The you get to talk about seasons and how they relate to temperature and weather, leaves on the trees, snowmen...