For an elder to see me off in person — that’s far too much for a junior like me.
Tips
culture
A modest deflection: "you’re shortening my lifespan with such treatment". Rooted in the folk belief that receiving honors you don’t deserve uses up (折) one’s 福 (good fortune) or longevity. Almost always appears as 折杀我了 / 折杀晚辈了, paired with 真是 or 可.
register
Old-fashioned, polite/formal register — common in period drama, traditional courtesies, and writing. Modern equivalents: 不敢当 / 您过奖了.