Just ignore it. You‘re making it a big deal in your head. A true marine just ignores it, because if you don‘t hype it up in your head, it‘s easier for you to just keep walking. Same with bad thoughts don’t think „oh no, I just thought this, this thought is a sin“ and then you spiral into guilt and all that, just know that is not you, know who you are. Tell the Devil you‘re a child of God. It works! I dunno why, but as a Space Wolf I guess I can say this: so my big dog, when we are walking and another dog barks at him from his fence he just ignores him, like 100% ignoring. Not sure why dogs do this. But be like that. P.S.: it might be something else in your life that‘s causing your OCD symptom, so make sure to take care of yourself first, get to the root of the symptom and kill it !