DEAR ANNIE: My mom was always focused on helping others and would gladly give whatever she had if she felt someone else would benefit. She had serious health challenges as well. In late November a few years ago, we found out she needed surgery which was scheduled for right after Christmas. I wanted to give her something extra special for Christmas. I contacted family members, friends, neighbors, co-workers and the groups where she volunteered and asked them to tell me about the difference my mom made in their lives. I received phone calls, letters, emails and cards with wonderful stories full …