Lyric discussion by JCBossman 

Cover art for Don't Let It Show lyrics by Alan Parsons Project, The

I think he is talking about having AIDS and being Gay. What he is saying, don't tell them you have the disease, don't suffer with the stigma(when it was written) just live your life.

My Interpretation

This song was written long before the emergence of AIDS.

Yes AIDS came along about four or five years later.

Yes AIDS came along about four or five years later.