Why is he watching my instagram stories all of a sudden? What did all that staring at me, smiling, turning red, and giggling meant?

So my guy friend who I have been friends with for 12 years the first day we met in person which was in 2014 in 2015 he confessed me that he “had feelings for me” but I had a feeling that was not true but I went along with it and went MIA for 5-6 years then in 2022 we met up again by this time I was a changed person who had a reputation of sleeping around with men that was my lifestyle for 7 years straight. In 2022 when we met again he wouldn’t stop staring at me, he would blush and smile a lot at me, at first I thought “his feelings” never left for me but something felt different because of how “nice” he was being how “respectful” he was being turns he wasn’t being “nice” or “respectful” just to be “nice” or “respectful” because after that first night that we met again every time we would hang out he would stare at me non stop he would stare at me when he would think I was not looking while at the same time he would giggle the last time we hung out it was on the 25th of last month for my birthday well my early birthday it was me and my homegirl who got an Airbnb and he came too when we start it drinking I notice he was flirting with me he want it me to dance with him he want it me to model this one dress for him with some high heels, which I did he said I look good and he turned red, then when we got inside the jacuzzi well before I got inside the jacuzzi my homegirl
Was extremely drunk she blacked out but he didn’t he kept whispering things to my homegirl while staring at me I got in he tried to get next to me the few times that I kept leaving he would start doing things to my homegirl sexual things but he would stare at me and pretend like he wasn’t doing anything but he wouldn’t keep his eyes off me. Then I left because things were getting weird. And then I talk with him and I said if you want to have sex we can. He lied and rejected the offer but ever since I texted him that he has been watching all my instagram stories and back then he wouldn’t.
Why is he watching my instagram stories all of a sudden? What did all that staring at me, smiling, turning red, and giggling meant?
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