Woman my boyfriend never met but has on social media religiously likes all of his photos?

My boyfriend said that about 2 years ago he met a woman on tinder whilst he was abroad travelling. He said they lightly flirted online but never met up.

Nowadays, she religiously likes every post on his Instagram, and she is always one of the first likers.

Does this seem odd to you guys?

Woman my boyfriend never met but has on social media religiously likes all of his photos?
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