If a guy is always staring at you, does that mean he likes you?

Anonymous
My (girl) friend said that my (boy) best friend is always staring at me. Like, every time he falls quiet in conversation, she sees him watching me, even if we're in a big group. On top of that, I've had a few weird situations with him when I'll turn around and he'll just be staring at me with this far off look on his face...and when I ask him why he's looking at me so strangely he can't give a reason why. The other day was a particularly strange situation...we were sitting in the hall at school and there was a lull in the conversation, when I had this intense feeling that he was looking at me (I kind of saw it in the corner of my eye). I sat there for 2 minutes feeling like that before I finally looked up at him, and he shifted his eyes a second too late so I saw that he really had been staring at me. I didn't say anything that time, but the way he shifted so that he was staring at the wall instead was pretty obvious haha.

So, my question is, when a guy is constantly watching you and staring at you like that, does it mean that he has a crush on you? My friend says yes, but I'd like other opinions too. :)
If a guy is always staring at you, does that mean he likes you?
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