Flirting

How can you tell if someone likes you when they're introverted, shy and have social anxiety?

It's so confusing, i feel like he's interested, he's admitted he's an intorvert and he has anxiety. And whenever i say something flirty he smiles and blushes, but Im not sure.
How can you tell if someone likes you when they're introverted, shy and have social anxiety?
Post Opinion