I could go on and on, and post studies, articles and tales from the Crypt of Lost Quits to support this post....but I've done that......for almost seven years.
SOOOOOO - I will just answer NO!
Your thinking may become impaired and you might think "just one" will be OK. It won't be now - or ever.
Decision is up to you. Make the right one.
A quit is a terrible thing to lose!
Nancy