Smart move blocking him on social media. That will help you not spin with his updates and allow you to focus on you moving forward. Let your friends know you don't want updates for the same reason..
Enjoy your conference. Sounds like perfect GAL. Learn, have fun, network...etc.
Me:39 Ex-W:37 M:7 T: 9 S:6 D:3 BD/IHS/Confirm EA/PA: Feb '20 OM1 affair ends: May '20 W/OM2 & moves out: June-July '20 W files for D: Jul20 OM2 confirmed: 9/2020 Divorced: May '21