If you are committed to making this work, there are ways to handle it with a modicum of integrity:
This is the most common, and the most insidious. Nothing physical happens for months. You simply "connect" with her on a deeper level than she has with your friend. You talk about books, anxiety, childhood trauma. She complains about your friend’s immaturity. You console her. You become her emotional boyfriend while he remains her technical boyfriend. One night, after a fight with him, she shows up at your door. The line is crossed. my friends girlfriend becomes my girlfriend
If you truly love the new guy, prove it by giving everyone space. Do not post couple photos for six months. Do not gloat. Do not play the victim. Acknowledge that your happiness came at the cost of another person’s emotional safety. That doesn’t make you evil, but it does make you responsible. If you are committed to making this work,
: The "Social Circle" map shows how other NPCs view your move. Taking a friend's partner might cause other shopkeepers or quest-givers to raise prices or refuse to talk to you. Turn Any Friendship into Romance with These 5 Moves You talk about books, anxiety, childhood trauma