You two are not together anymore - he is your ex. With that being said it is not up to you to do anything, he needs to deal with this on his own. The best thing you can do for him is to avoid all contact with one another as to give one another the space they need to move on with your lives and realize it is over. Don't run to him or try to do anything for him at this point - he needs to face this on his own its not your responsibility.
Just be her friend. She might get upset if you actually try and show that you love her. Don't try and get too close to her or her boyfriend might get angry. Don't stop liking her but like her at a distance
you need to chill the fook out and get a girl
You man up.
tell him to stop being a brat
Tell him that if he doesn't stop being immature, than you're going to leave him and find someone that treats you right.
If your boyfriend starts to stop showing affection towards you and is always busy and going out instead of being with you. These are signs of your boyfriend cheating on you.
No, stop being a little tramp.
Tell them to stop getting high because when they are high they are oblivious to their surroundings. At least they care about you being upset when they are not high
Kill them all. It is the only way to protect your puckins.
Find a guy for yourself; there are many out there, and you just need to get to know them.
Be straight forward with her. Tell her gently that she is being a little to intimate with your boyfriend and politely ask her to stop. If she is a good friend, she'll apologize for her wrongdoings and she should stop flirting.
don't upset her