Thanks to Murtidta for this post:)

Kid asks: Daddy? How did I come into this world?
The Daddy Answered: Well, my child, some day I'll have to tell you any way

The Kid asked again: So why not today?
The Dad Respond: Please, listen carefully; Mom and Dad met each other in an internet cafe. In the Bathroom of that cafe, dad connected to mom. Mom at that time made some downloads from dad's memory stick. When dad finished uploading we discovered we didn't use Any firewall. Since it was too late to cancel or delete, nine months later we ended up with a virus