If you mean how to check whether honey is pure/real at home, common tricks like the water test, thumb test, or matchstick test aren’t reliable.
Better ways:
Check the ingredient label — ideally it should list only honey.
Buy from a reputable beekeeper or trusted brand.
Real honey can naturally crystallize; crystallization does not mean it is fake.
For certainty, laboratory testing is the reliable method for detecting adulteration with sugar syrups.
If you meant “Check in first (comment)” as a social-media caption, I can also rewrite it into a catchy post.