Strange Days

[hils]

Why is that whenever I crack a joke or tell a story that I think is funny no one laughs. Then when I say something which I consider to be perfectly normal people act like it's the funniest thing ever. Today for example. I was washing up my mug when I noticed a jug of custard someone had left from lunch. I said "It smells of custard in here" and Tom spent about 10 minutes howling with laugher, so much so he nearly choked. When he finally composed himself I asked him what was so funny and he said it just was.
I don't get it