If you believe in Emotional Cheating... .
Since they are so emotionally unstable... .
Do you think it's easier for people with BPD to "fall victim" to this type of Infidelity?
I don't know if it's a BPD criterion. But it was absolutely the reason I couldn't take the relationship any longer. She had at least 5 or 6 guys texting her on a regular basis, including her ex. I asked her to stop it. She'd say OK, then we'd be out somewhere. She'd get a text from a guy and hide her phone. She took her phone with her to the bathroom and slept with it under her pillow.
She said she couldn't stop them from texting her. I said yes, she could. I said tell them you have a boyfriend and out of respect for the him, you cannot text them any longer.
We talked about it in therapy and the therapist suggested "full disclosure" so I could trust her. After therapy, rather than show me her text messages, she showed me her list of contacts (all male except for family) and explained her relationship with each one.
I did not press for her to show me the content. I knew she was hiding something which was enough.
She also hugged her boss and co-worker goodbye after work all the time from what I could see.
Played online games with ex while lying in bed next to me.
Etc.