I have really strong feelings for a woman and I’m freaking out?

I’m 23 I like guys and ive never felt this way about a girl, I wouldn’t like any other girl I don’t feel attracted to anyone else ever. it wouldn’t work out at all but I see her a lot and we’re pretty close. She drives me crazy I love looking at her, she’s so kind, sweet, and caring I’m in love with her. Obviously I have to keep this a secret forever otherwise I’d lose her friendship. Is it normal to feel this strongly about a woman?