I've heard many different perspectives on relapses (some would rather call it "lapses" because all progress is not lost). I also have attempted to quit many times myself over the past six months.
Sounds like you have the right approach... you are treating the situation with vigilance (other than you don't need to feel ashamed or embarrassed). You have nipped it in the bud and got right back on the wagon.
The bigger mistake would be to treat this situation lightly then slip into old habits. That has been my mistake lately. Don't be like how I was earlier this year.
