It’s not a healthy approach when say that you would feel like a creepy pervert if you were to ask women out. As long as you are honest with yourself and bring your values to everything you do, this shouldn’t be a concern. I would echo what some of the other posters have said that you need counselling or some kind therapy to help resolve these issues.
You know I can relate to the fears you have around parents. I was sheltered as a child and my mother was overprotective of me. This didn’t bode well later in life as I became very sexually promiscuous as a result and even hid relationships from my parents. I didn’t cope well. You may fare better, especially since you have God that anchors your life. But the longer this drags on, the more susceptible you will become in falling prey to bad habits, frustration and even regret.
In regards to your parents, you can’t read their minds. How do you know that they would reject you? You mentioned how your mom bought you a bible when you told them you wanted to be Christian. I think that is fantastic. They may very well have a similar reaction when you tell them you started dating someone. You know, most parents really want grandchildren
If I may be blunt, I think you are discerning the priesthood and lay single hood to justify your actions based on fear from your parents. You need to take steps forward to break this cycle of thinking. I think it will go a long way in helping you figure out what direction to take in life.