Family bond n kinship ties

As thirdgeneration kids of migrant parents born in China,i dont feel nostalgia recalling my ancestral roots .Why do migrants of Asian diaspora feel sentiments when recalling family.bonds n kinship tie? i speak ancestral language,follow chinese lifestyle,festival and adopt cultural values but i dont feel strong attachments to my unseen and unknown relatives from China is it cómmon for third generation migrants to assimilate into country of birth?how do american born Chinese feel? do they feel alienated from their ancestral roots? after watching the teochew movie dear you😄i umderstand the personal bónd of sttachment between a migrant worker to hisfamily in china but i admire his strong value of endurance and perseverance in era of hardship.i think strong kinship.bomd to help fellowmen is lauded as is contribution to building schóols and investing. in educatiom of youth. a good story telling plot.