Even though you want to tan your friends you really should wait until after your training to do this as you don't yet know what the contraindications are for tanning - would you want to spray a friend and something happen to them because you couldn't wait?
How would you feel if your friend had a severe reaction to your tan? What would you do?
You know we will help you as soon as you have done your training but you really do need to step away from the kit and wait.
You will also need friends to practice on after your training so it really is best to wait for both you & them.
Tanning looks so easy but I'm sure you have noticed that there are constantly threads being posted by therapists that are having issues, if tanning was as easy as it looks then there would be an awful lot less posts on here about it.