Don't give up.
I did the math and I am 44 years, 1 month and 4 days old today. Honestly to me it seems like a lifetime already. I can remember ever since I could comprehend as a child that one needed to pray for their unsaved mother and/or father. In my case it was my dad. His views about God and religion were always a mystery to me, simply because he refused to talk about it. He wouldn't even talk about why he wouldn't talk about it. One time, after I had started bible college, I was invited by my pastor to preach at my home church in Arkansas. I prayed, and prayed about that one. The one thing you don't want to do is flop. If there is anything one would probably do as a young preacher it's just that. The Sunday night that I was suppose to preach my dad showed up. By the guidance of the Holy Spirit my "sermon" flew out the window and instead He had me preach from John 3:16. I gave an altar call, but by dad wouldn't move, raise his hand or make any kind of ack