I know I’m young and crazy but am I rushing into things????

So, I’m 18 and a senior in high school, and my boyfriend is 19 and working to become a career fireman. I met him in May and sparks flew from the very beginning, we were both coming out of very damaging relationships and we found each other and just knew. We’re both Christians and waiting for marriage (with some loopholes but that’s another story) and we were talking last night and picked a date we thought would be ideal for our wedding!! The date would be when I’m 21, because that’s what my parents said. His family is wonderful and I’ve met most of them and I think they like me a lot, his parents are even okay with the date!!! (I haven’t told mine yet but both my parents love him.) He makes me feel beautiful and like I’m loved so much. I don’t think I’ve ever been able to be so much myself around someone before. We communicate our problems and insecurities and love each other so much. I know he’s the man I wanna/am gonna marry, but, are we taking things too fast??? (We’ve been officially dating since June 18th btw)