I had a rather upsetting life experience happen to me when I was 23. I was so deeply upset about it that I didn't feel much else mattered, so I took a good friend up on an offer to buy me a present. Of course, I asked for diapers that would be delivered to my home that I shared with my family. I didn't tell anyone what I had coming in the mail, they had no idea I wore them, so of course when the package came my dad brings it inside and starts cutting the tape open with a knife. He thought it was a shirt I ordered a while back, and was simply trying to help me get it open.
I was sitting there sweating bullets, starting to say, "dad, I need to tell you what's in here", when his phone rings. Right as the package pops open and a big pack of diapers are in plain view. He walks into the other room to sit down and answer the call. I picked up the entire package and carried it upstairs to my room, not saying a word.
I calmly walked outside and sat on the porch swing after putting them away. He came out a while later and just casually said "hello". He didn't ask where my new shirt was, nor did he ask what in the world I took upstairs at all, so I have no idea what he thought about that. It was never mentioned again, even when the shirt really did come.