Wow, you're a pathetic man-stealing piece of trash. And she's just as pathetic as you and your boyfriend for even tolerating such low-life sh*t from her man.
Why don't you do yourself a favor and stop ****ing other people over as a lifestyle.
Why would you even come here and write this crap and ask for advice? You know what the right thing to do is, and yet you're here hoping we'll tell you that what you're doing is A) OK, or B) support you on it.
You don't respect yourself, you don't respect strangers, and you don't respect relationships because you're f*cking with the relationships of other people.
"Well, then," the Cat went on, "you see a dog growls when it's angry, and wags its tail when it's pleased. Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad."