From the very beginning of your marriage, your wife had made it clear that when "the time came", that there was no chance that she would let you be the one who would impregnate her, and it amuses her to sometimes tease you about the fact that your "seed" always gets flushed away while her boyfriend's goes inside her.
This time she went bareback and got his load deep inside her. She's been not feeling so well since in the mornings and thinks this time might have done it.
I am sure they would and you seem pretty keen on accepting