Search Results: intimidating the girls

It's a long story so I'll try to make it quick.
I had a crush on this girl the days of my college but never thought of talking to her because I was shy and she looked so beautiful so I was kind of intimidated by her, days go on and I kept noticing she was kinda having a crush on me too, looking at me with the corner of her eyes, trying to be closer to where I was in the yard, the reaction of her friends whenever I was close to them etc.. you know it's easy to tell when a girl is interested lol. The thing is even knowing the crush was mutual I never had the courage to talk to her, every day going to college I was telling myself I have to take the chance and talk to her but once I see her beautiful face I just feel like my heart is going to go out of my chest and I just can't move xD. She knew and tried to get away from her friends and be alone so maybe if she was alone it would be easier for me to go and ask her but nothing has changed. Vacation came and I thought it's better for me to just forget about her yet 3 months and I couldn't get her out of my mind, back to college and still the same damn thing, looking at each other for afar, kept searching for each other during the break just to gaze at each other (well she couldn't keep the eye contact since every time I catch her looking she turns her head which made my heart melt because I thought that was very VERY cute). Another vacation and still thinking about her the second I wake up till the moment before I close my eyes to sleep.

So I'm 21 in college and was just curious in terms of flirting or just engaging in a convo w you. I'm 6'7" and slim but muscular (215lb), and relatively attractive. Is this off-putting to girls bc of my size? I can tell that some get shy, some get cold/awkward, and some (my favorite) smile and respond nicely.