得我之幸mm失我之命mm
[dé wŏ zhī xìng mm shī wŏ zhī mìng mm]
'Getting me brings good fortune, losing me means losing one's destiny (mm stands for 妹妹 - sister/girl).' This phrase expresses self-worth, emphasizing that being accepted by this individual could be considered very lucky whereas turning them away would result in significant loss.