“For there are eunuchs who were born that way, and there are eunuchs who have been made eunuchs by others–and there are those who choose to live like eunuchs for the sake of the kingdom of heaven. The one who can accept this should accept it." (Matthew 19:12)
Here, Jesus is talking about not marrying, but it also could apply to you in that if you could better serve the Kingdom of Heaven by being a priest without starting a family and if you can accept it and if this is truly what God calls you to do then it sounds like a good idea. Also:
“Truly I tell you,” Jesus replied, “no one who has left home or brothers or sisters or mother or father or children or fields for me and the gospel will fail to receive a hundred times as much in this present age: homes, brothers, sisters, mothers, children and fields—along with persecutions—and in the age to come eternal life.“ (Mark 10:29-30)
Priests who don’t start a blood family gain a spiritual family and spiritual children and much more. BUT due to your OCD, (I have a hyperactive mind sometimes as well) make sure this is truly what God is calling you to, not something you’re forcing into your head and worrying about without reason. Pray, pray, and pray some more
Ask the Holy Spirit to guide you, he is our Counselor and Advocate
“But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you“ (John 14:26)