Final answer:
There is no historical evidence to suggest that St. Augustine took a new mistress to heal the wound caused by sending away his long-time mistress in 1192.
Step-by-step explanation:
St. Augustine, a prominent figure in Christian theology and philosophy, is known for his spiritual transformation and his writings on various topics, including morality and personal struggles. The question implies that St. Augustine took a new mistress after sending away his long-time mistress in 1192 as a way to heal the wound caused by their separation. However, there is no historical or textual evidence to suggest that St. Augustine engaged in such behavior. It's essential to rely on reliable historical sources and primary texts to accurately understand the actions and motivations of historical figures.