Reasonably, maybe, but it means that the person needs to rejects themself. At this level of immersion sport/music becomes the part of the person, their definiti

Reasonably, maybe, but it means that the person needs to rejects themself. At this level of immersion sport/music becomes the part of the person, their definition (implicit or explicit) contains words "music" or "sport". It is still possible to throw it away and start again, but it is really difficult psychologically, and probably in other aspects too: they don't know how to be someone who is not a musician or an athlete.