A 19 year old male came for routine physical examination prior to playing for a college basketball team. He takes no medications and has no allergies. In his family history his father & his uncle died at the age of around 40 with sudden cardiac death. However, his mother is healthy. O/E- his height is 195 cm, weight is 92 kg. He has pectus excavatum and arachnodactyly. A high-arched palate is present. He wears glasses for severe myopia and has had ectopia lentis on the right. A diastolic murmur is heard in the left third intercostal space. What will you advise him?