The stress of it?
A team from Northwestern University has examined the hidden costs of parental empathy. They found that while the children of empathetic parents are better off physically and emotionally, the parents’ cells reveal chronic, low-grade inflammation. When their children suffer psychologically, empathetic parents’ immune systems take a hit.
…Children of empathetic parents also showed lower levels of inflammatory markers. Their parents were just the opposite. Their samples revealed this low-grade systemic inflammation.