I’m currently in RCIA and I have no doubts anymore, at all, in any way that this is the right decision for me.
Prior to me joining RCIA and attending a few masses, I’d been brought up as agnostic and none of my family ever attended church or talked about religion or God, or anything of a spiritual nature. The closest I came to religion growing up was my step-father was Jewish and we celebrated all of the major Jewish holidays. I loved it. But wanted more. So at 42 (now I’m 43 yrs old) I’m on my way.
Last weekend I went to an Episcopalian service. I went because it struck me that maybe the good feeling I’m getting while at Mass could be had in other churches. So I went. The people were very friendly, nothing at all wrong with the service. But I left feeling empty inside. To me, it felt like a purely human church. It’s hard for me to put into words the differences I felt between my Catholic parish and the Episcopalian parish, but the differences were there. I’m not one of those people who feels the presence of the Holy Spirit well, I’m too analytical at times. I over-think things. But at Catholic mass, I think I do feel something. It’s slight, but it’s there, and I’m hoping to feel more of it as time goes on and I stay on this path.
Sorry to have gone on, but this discussion here just made me think of that.

Good luck with your journey!