How to know if my teacher likes me as more than a student

We're both adults. There were signs like staring, smiling a lot, showing up everywhere I went, teasing me, getting nervous if he wasn't expecting to see me. His friends give a chuckle when i'm around. He only added me on whatsapp even though my other female friends texted him. He also helps me a lot and i'm also good in his subject. He doesn't teach me anymore but still the same stuff continues
Asked Sep 17, 2017

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