Meh, you had a bad day. Gave in to temptation. Coulda been worse. You could've had illicit sex with a total stranger. And enjoyed it.
You coulda gotten the muchies, ate an entire can of Plantar's Salty Cashews, and suffer with thirst and dehydration the rest of the night and totally out of beer, and have the Hersey Squirts the next morning. And enjoyed it.
You coulda......meh...you get the idea.
No big sweat, Stefania. Tomorrow's another day to be smoke free and feel great about it. Just remember, it coulda been worse.