DEAR ABBY: The 14-year-old son of a friend of mine is having self-esteem issues and apparently is going through a very rough patch. Our family likes to participate in charity races. My boy, 13, is a talented athlete who, according to my friend, is an “overachiever.” My friend signed her family up for the same race as our family, then called me afterward to tell me she was having anxiety issues about us being there and asked me to forgo the race. (We had already paid for four registrations.) She said she could see my child taking off, winning the ...