What a disaster

How hard can it be?? It's just a writing.. But at a push of a button, everything that I wrote went off. Not off to the posting but off from the screen. That's how hard it is. I had written a nice article[to my knowledge], took me almost an hour. Not too bad for an old [ I dislike using the word 'old' but do I have any choice here] person like me. I was admiring the article.. I had not written any intelligent thing for a long time. To be precise, since 1987. I was smiling, perfectly happy with what I had written Then I pushed a button. Voila! it's done. I pushed another button to view the newly posted blog.. Nothing.. nothing came out. I pushed another button to view the original writing. Still.. Nothing. I knew I messed up. Gone.. my beautiful writing. What a disaster, Imagine my horror. I called my husband and vented my frustration. What did he say? Learn and know your computer first. Okay, I'm learning.. It's not button but KEY