If a guy uses the heart emoji to react to your messages in MS Teams and he knows you like him, does this mean anything or not?

A guy has shown various attraction signs, he knows I like him, he’s started using heart emojis to react to my messages, does that mean anything or is it standard to use heart emojis in the workplace now?

If a guy uses the heart emoji to react to your messages in MS Teams and he knows you like him, does this mean anything or not?
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