My biggest issue with WFH is that my conversation wit / debating skills are degrading.

When I was younger I debated and sparred a lot in school. Then it was in the office, and afterwork drinks.

 How can I hone that skill now, do you guys have tips?

Building https://getmocha.com // creator of the https://blockchainsmokers.xyz

can definitely relate. 

audio chat spaces have been invaluable for this reason.

they can be very hit or miss but when done with the right people, it's a great tool to argue for the sake of learning.