heart-searching
noun [ U ] mainly UK uk/ˈhɑːtˌsɜː.tʃɪŋ/ us/ˈhɑːrtˌsɝː.tʃɪŋ/ (US usually soul-searching)
（通常指作出重要决定前的）内省，反省
the act of thinking very seriously about your feelings, usually before making an important decision
After a lot of heart-searching, we decided to split up. 反省很久后，我们决定分手。