First, let me start by saying that SOMETIMES this is what happens and you do get booted. However, most of the time when that happens your friend is in an unhealthy relationship and is being cut off from friends and family. If that is the case, you should get over yourself and be more concerned about your friends' safety and health than if you got “chosen" or not. If your friend has an awesome boyfriend and still outright disregards you and your feelings and chooses her boyfriend over you, then she was not your friend in the first place.
Now that that's cleared up, let's talk about how we as people should be kind and supportive and genuinely happy for those we claim to love.
So your friend that you do everything with got a boyfriend, things are going to change.
It's part of growing up. Your friendship dynamic is going to change. Instead of spending all weekend from Friday night to Sunday night together binge-watching Netflix and eating junk food you might only get a Saturday lunch and movie, a mani/pedi sometime during the week, or a late night hour-long phone call. Don't be bitter, don't try and make your friend feel guilty or even try to cut your friend out of your life just because you're not getting the attention that you want. Your friend cherishes your friendship and the guilt trip can make her feel so terrible about the fact she loves a boy and wants to spend time with him.
When you guilt your friend for spending time with her boyfriend, you become the one who chooses someone else over the friendship. You choose your own personal selfishness over the happiness of your friend.
You break your friend's heart when you give them this guilt trip.
She thought you wanted her to be happy, but now she feels miserable. She wants to be there for you but your angry, selfish bitterness is pushing her away, and the sad part is she feels it's her fault. Don't make your friend feel this way.
Your friend still wants to be your friend, she just now has someone she loves differently than she's ever loved someone before.
This person, her boyfriend, holds an extremely special part of her heart and has the potential to be her forever person, her future husband. Give them the space and peace of mind, knowing that you're supporting her through it all, to discover this!
The truth is, your friend wants to choose you both but you're the one who is not allowing her to do that. Examine your actions and thoughts and how you're treating your friend before you exclaim she was the one who ended the friendship.
