I am a Han ethnic born in Malaysia. I came to US in 1991, living in Singapore since 1978 - born in Malaysia. I also haven't celebrated any Chinese festival since 1988. I do try to listen to Chinese New Year songs during CNY season & watch lion/dragon dance on KZbin. I think everything is OK. The whole world is changing -- just remember something that appeared to be "better choice" might turn out to be a "bad choice" in years latter. So, just take it easy -- may be this is what is "meant to be" for your life.