Would a guy who is interested in a girl start following random girls on instagram (not celebrities or models, just "normal" girls)?

Me and this guy went on one date (that went great) and we flirt a lot. But when I checked his instagram I could see he started to follow a couple on random girls. Would a guy who is interested in a girl follow random girls?

Would a guy who is interested in a girl start following random girls on instagram (not celebrities or models, just "normal" girls)?
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