From the reply the guy gave her, that she could go date Chris Brown or so, it seems he sees her as a lady who's interested in money than genuine love. But even if, 4 years is too long for you to remain together, only to end up engaged with another woman without even ending things with her.
This pretty lady said she read Toke Makinwa's book and was saying such can never happen to her, not knowing her boyfriend was already engaged to marry another woman. Her story...