Girls, To girls: How far can a friendship between a guy a girl go before its seen as dating (my friend my be falling for me)?

We've been friends for awhile now, and out daily and evening routine has changed from almost nothing to eating with each other, sitting with one another everywhere and in the evenings between 5 or 6pm till midnight she watches movies while doing homework, but usually ends up in my arms, or holding me, or falling asleep in my arms, often reaching for my hand, to hold with interlocked fingers. Lot's of hugging and caressing and staring into my eyes, i can't stress this part enough, she will look deep into my eyes until i look back and smile, and she will smile for no reason when near me or looking at me, and her hear races when i'm around. She'll play with my hair and hug me for no reason at all or just to hold me tightly. I gave her one of my flannels a few weeks ago and she asked to keep it. my friends are biased and can give me opinions so i'm reaching out to anyone now.

Girls, To girls: How far can a friendship between a guy a girl go before its seen as dating (my friend my be falling for me)?
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