Shinobu knew you better than anyone did you were her lover she would do anything for you she knew if she told you her plan you would be devastated and would probably even sacrifice yourself to save her

You were getting a check up on your arm as it was injured and was now fully healed as Shinobu was touching your arm you noticed a purple mark on her neck

"Yup your arm is perfectly fine! You- is there something on my neck, dear?"