I have a Latina wife also. I have done everything they say on this site and other forums. Got her on all fours with a laptop in front of her with pretty girls getting railed. All while using her biggest black dildo. After this she told me that she “just wasn’t into the BBC thing” and was more likely to fuck another woman than a bbc.
I worked for years to slowly build up to this point (and it seems you have too by your pictures) but they just can’t let go like white women do.