Am I phone addicted if I use my phone 8 hours?

My father doesn't stop telling me I'm addicted and I believe there are people who use it for longer, but they only care for the time I use it, which makes sense, but I'm not sure. I still do everything both my parents ask me to do and some days do an activity that yes includes my phone but only to play music...

Am I phone addicted if I use my phone 8 hours?
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