When koolaidman2011 posted on Reddit.com to mark the one-year anniversary of proposing to the love of his life, more than 1,800 community members responded. Most were moved by koolaidman2011's tragic story of love and loss. His fiance had died of ovarian cancer just 5 days…

This morning, my daughter's teacher stopped me in the hallway to say thank you. He had just seen the message that I'd posted in the online guest book for his mother, who died a couple of weeks ago. "I didn't even realize that it existed until my sister showed me," he said, and seemed moved that I had taken the time to find the guest book and sign it.



His thank you was a…