Re: need help in general
2 ways about this
Accepted method solid game
Demonstrating higher value and wait for her to call it off with him and choose to be with you. It takes work and good solid game to do this, body language, kino, framing and much more basics are the biggest players here
Use search bar look up boyfriend destroyer technique
I can help you with links to helpful solid game, but if you want to run a destroyer you are on your own but without good basics like body language, framing and ....... The destroyer will likely fail.
Learn to be a better person not a better player.