Tee,
Discipline/formality etc. ...
Should be the same as for the regulars when on duty - after all, we could all be in the same position/foxhole.
In some ways, we do more parades & drill than some of the Regulars - Remembrance Sunday is often at a training weekend after all, and there are committments to our old Squadron Associations.
One important thing to remember, though, is that a reservist doesn't (or shouldn't normally be) relying on a monthly pay check from the RAuxAF. Therefore, if it isn't fun for at least part of the time, s/he is going to walk out of the door. Sensible officers and NCOs know this
For a civilian coming in without a forces background, some of the practices will take time to get used to, but I've survived so far!
Just back from another weekend in the Tower