> since you’re basically always on call.
It sounds like this is the actual problem you need to address.
> extra-curricular activities
There is no curriculum at work. Socialising isn’t exclusive to the work place. There are ample opportunities to meet people outside of the office.
It requires a small shift in our thinking because WFO is soo ingrained in us, we get confused once it’s not mandated. That doesn’t mean social contact is not easily within reach.