What’s he being possessive?

The guy I am seeing we was talking about ice baths and how I got one. That it’s in my back yard. Towards the end of the convo he asked do I go out there naked. Like asked basically if I do my ice bath in my backyard naked. I laughed said no I wear shorts and tank top. Was he being protective and worried if I show my body off etc. or being possessive? Is this good thing he asked that?

What’s he being possessive?
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