Why strangers look and laugh at your face

Inaiku morning na food parcel order phone la sollitu kadaiku ponen food ready agalanu veliya ukanthutu irunthu ..oruthan phone pesitu endoa moonjiaa pathee sirikuran …na therupi morachan but still pathu sirikuren intha maari nariya thaada nadakuthu ..avinga phone eh peslanalum they make a stare and smile not genuine smile more like mock smile ..but why 🥲