“Can’t not" looks—and probably even sounds—repetitive, but it can be grammatically correct.
Here is an example sentence in which “can’t not" is used correctly:
Here is another example sentence (one that is not sponsored by McDonald’s):
Speaking of McDonald’s, enjoy this GIF:
Although McDonald’s has been using "I’m Loving It" as its slogan for years, using “loving” in that form is considered nonstandard. After all, it’s just a slogan. “I’m loving it” can also be found in song lyrics, which we know are not places we find excellent grammar.
For an excellent list of stative verbs, click HERE.
We hope this answers your question about stative verbs. If you have additional questions on this topic, tweet us @The_YUNiversity. Cheers.