Have I always had OCD

I will apologize in advance for the long post. I went to a big city with some friends a few months ago and went to a place I am not proud of and highly regret. I had not told my wife about this. We were getting ready to try to get pregnant, and while praying I felt conviction to tell my wife of what I had done. For this, I don't regret my decision. She deserved to know. On Sunday, afternoon, I simply told her that we had went to this place. I did not go into details of what all we had done while we were in there. I took some sleeping meds and went to bed early. The next day, I felt guilt and shame for what I had done. I felt as if I was hiding things from her and not being completely transparent. Tuesday, I sit her down and told her exactly what we had done while we were in said location. I gave her names of who was with me, how long we were there. I felt a relief as I felt as if I had told her everything. I took a sleeping aid and went to bed. The next day, I felt more shame for what I had done. I replayed the event in my head. I called my friends that were with me and seen how they felt about the situation. I felt as if I may have done more than I confessed to. I didn't know if these details were true. I had major chest pressure that would not go away. When I got home, I told my wife that I didn't know if I actually did these things, but to make her decision if our marriage would work based on the fact that I did these things because I don't know. Then, I got to reading the bible about where this fit religiously. Does it classify as adultery? Does it disqualify me from ever being a religious leader? The anxiety from reading scripture would cause emotions that are hard to describe. I seeked advice from two of my religious co-workers and a family friend that caused temporary relief, but the anxiety came back. Then, being afraid of not being transparent with my wife, I told my wife about looking at pictures of other people on Instagram. She said some of this stuff I have done is creepy. My mother had a rough childhood from her stepdad, and now because of some of this, I have been "what if" myself about if I will turn into that person. I guess my main question is: have I always had OCD or is it something that I just started? I have always been obsessive over things-trucks, coolers, money. I have been indecisive. Order something, get buyer's remorse. Try to cancel the order. But I've never felt anything like I have over this moment. I know it is extremely personal which is understandable, but it is tough to process. About a week into all of this, I went to the doctor to get some help with calming my brain so I could focus at work. She gave me hydroxyzine as a short term and fluoxetine for long term. While I was taking hydroxyzine, it was like it toned out all outside noise and made my brain just focus on the faults I have and what this meant about me. I have since stopped that medicine. I am about a month into this. I am certainly a lot better. Our marriage is going to survive. But I still have thoughts about what this means about me, or I compare myself to others around me, or get triggered by something said on tv, or if I see one of my friends that was there that night.