Me vs bestie: Should my homegirl send a message to her ex, pretending someone else sent it? Read below

Ok, my homegirl is saying she’s grateful for her ex 2 years ago (she wants to message this dude). After their break up she went into a hoe phase and landed with a guy who was shitty. But after leaving the recent guy, her life turned around and she’s so happy and comfortable being herself. She’s healing past trauma and she runs 3 online businesses. She wants to message her ex who started this train reaction and say how grateful she is, but doesn’t want to be out front about it. She wants to right the message but say its one of her friends. Idk y’all. I get that if the guy didn’t break up with her she wouldn’t be where she is today, and it’s been a long journey and rough to say the least. Part of me thinks she should share but then again, let it go