You'll feel it when you see her talking to him, she'll feel it when she sees you talking to him. If it starts to become too much, you guys need to talk again and come to some sort of agreement. That's okay, but you really need to think about everything because once you make a decision, things could really change.
If she turns on you and gets your other friends on her side, you might have problems with them too. I've also seen advice saying things like "Let him choose for you." Don't let him choose for you.
Don't bother believing the age-old adage that "Good things come to those who wait." Nowadays, it's all about taking action and taking matters into your own hands.
Don’t wait for love to come to you, make it happen!
Here are 8 tips on what to do when you and your friend like the same guy. If you and your friend are crushing on the same guy, you don't have to hide how you feel - yes, even if she started liking him first.
Keeping everything inside and acting like you don't like him will leave you feeling bitter towards her, angry at both of them, and pretty darn sad.