Is she interested in me if we text "good morning", "goodnight" and text throughout the day when she's available?

So I have this friend who I recently became friends with benefits with although our conversations rarely involve sex. We text good morning and good night and throughout the day. Sometimes she replies immediately and other times I have to wait a few hours for a response. Yesterday she sent me photos of herself in her underwear and I said "wow I can't stop staring" and she said "awe that's sweet 🥺❤️" and she asked for lilacs and a note for the first time we meet (we met online and plan on seeing each other to get to know each other more). We've also called on the phone once and at the end of the call she said "Thank you for calling me, we should do it more often". So now I'm conflicted, does she only see me as a friends with benefits or does she want something more?

Is she interested in me if we text "good morning", "goodnight" and text throughout the day when she's available?
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