My husband hates social media

The Little Mermaid
In 2011 when I met my husband, we exchanged numbers and added each other on Facebook. His profile pic was a dog and sometimes a car. Now fast forward to 2017 and he still hates having pics on social media. I cannot even put any pics of him or with him on mine. Even the things he buys me such as the wedding ring set or our wedding at court he didn't want me to post it anywhere. Only on Snapchat. I spoke to him about it and suspected he's hiding something but then he refreshed my memory with "since the day you met me, I hated pictures on social media." But also, he doesn't like what I share life events on there either. Could he really be hiding something or it be a real phobia he has? He's like terrified for his life God forbid I post a bouquet of roses he gave me and then write "thanks to my lovely husband." Not that social media matters because it's not important. Our marriage is more important. There are some people who don't even have social media. I'd just like to know some y'all opinions. Thanks!