what fallacy is takes someone with a really big heart to give to our charity, and you seem like someone who cares more than most.
Here are three excellent sites on fallacies. After you have check these out, please repost with your thinking. We will be glad to give you further help.
http://www.unc.edu/depts/wcweb/handouts/fallacies.html
http://www.nizkor.org/features/fallacies/
http://en.wikipedia.org/wiki/Logical_fallacy