It brought another level to it when I checked the dictionary definition for “obstinance” – which is how to correctly spell it – and find that dictionaries either don’t have it or consider it to be a “rare” word.
Rare, my foot! There’s plenty of it in certain characters in this webcomic!
Bet he didn’t see that coming!
I had to reread the last panel… I first saw it as “Your abstinence is tiring” and that brings a whole new level to this.
It brought another level to it when I checked the dictionary definition for “obstinance” – which is how to correctly spell it – and find that dictionaries either don’t have it or consider it to be a “rare” word.
Rare, my foot!
There’s plenty of it in certain characters in this webcomic! 
At least “abstinence” is a word. I read it as “obsriniece” and then gave up.