Dirty Wife Banger Black Guys

So after catching my wife banging a black in our bathroom. She begged me to take her back. Should I? Given all the porn I have exposed her to - it is not surprizing that she would seek something different. Besides - I am pretty small in the pants, not surprized she would want something bigger. I guess I should have known this would happen when i found that 15 inch black dildo under the bed.