Is he playing me if he named me Lv on his phone, not my real name, he said it’s short form for lover?

he confessed to me a month ago and everything is going great. He opens up to me and talks about his family (he has some problems with them), we talk about all topics really. He flirts a lot in WhatsApp

but today when I saw my name on his phone as LV then he said it’s short form for lover made me unsettled!

Is he playing me if he named me Lv on his phone, not my real name, he said it’s short form for lover?
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