Ally Henglein is 18 years old and as she wrote in a letter, she would do absolutely anything for her grandmother, Kathleen Selig, who she affectionately calls Gammy. In an open letter she shared on Twitter, in an attempt to get the New York Mets’ attention, Henglein wrote that at 81 years old her Gammy was diagnosed with small cell lung cancer. She was told on March 17 that she only had a few weeks to live. YOU MAY ALSO LIKE: Family Shares Late Son’s Story After His Lopsided Smile Actually Turned Out to Be a Sign of Brain Cancer Henglein then wrote that her Gammy “is a diehard Mets fan and has been since the start. She was born and raised in Brooklyn, New York and always told the opportunity to go see a ballgame with her father. Since the mid-1960s, she has lived and breathed everything Mets.” As the proud granddaughter added, her grandmother is often covered in blue and orange, rocking her Mets gear and showing her support for the team any chance she gets. “She even paints her nails blue and orange and has worn a gold Mets Necklace for at least the last 18 years