That Jack tries to comfort his mother, despite their estrangement, suggests that he may still love her after all. Similarly, his memory of her explaining her emotional connection to the Chinese language suggests that he may understand, deep down, how much he hurt her by demanding that she speak English. Nevertheless, Jack tells her to be quiet rather than encouraging her to speak, which suggests that he isn’t ready to acknowledge how much he has hurt her, nor is he ready to reconnect with his Chinese heritage.