I read of a girl that doesn't feel pain and it seemed like they (her parents) weren't happy about it. Wouldn't life be so much easier if we didn't feel pain?

While it may seem ideal to not feel any pain, we need pain in order to survive. Pain is a warning signal and a danger signal. As you approach fire, you may end up burning your hand if you get too close. If you don't feel the burn, it's possible that it is a severe burn and then this burn can become infected, causing much worse problems and perhaps even death.

We feel pain inside when there is something wrong. If you have appendicitis and don't feel the pain, the appendix can burst and you can die of infection.

It is rare to not feel pain, but to not feel pain is not the picnic that many think it may be.

Reference: 

John David Clark, MD, PhD. The Pitfalls of Profoundly Effective Analgesic Therapies. In Clinical Journal of Pain. November/December 2008. Vol. 24. no. 9. Pp. 825-831.

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