We are in the 21st century. The old practice of arranged marriage should be abolished long time ago. If her mum loves Xiao Bei, she should respect her and let her choose whoever she thought is fit. Personally, I really think Lao Lo is a good fit.
Gong Xi Gong Xi. Never rush your marriage, the right man will appear before you one day. Marriage is for life. Marry a man that he loves you whole heartily. Life is short and cherish every moment in life. Cheer Sweet lady.