Does my ex want me back?

So my ex and I stopped talking about 6 months ago or so and suddenly out of nowhere he sees a picture of mine in my story in whatsapp and after seeing the picture 5-10min after he followed me on Instagram and now he likes my selfies (ONLY MY SELFIES!) and he watches my Instagram Stories all the time.
Does he want me back?
Does my ex want me back?
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