Baby???

So before I start I don't want any negative comments thanks :) but.. I'm 17 years old and I am very responsible. I've been working since I was 12 years old, on a farm actually so it involves lots of responsibility and hard work. I go to school and pay my bills (My boyfriend and I live together, he is in university) he also is very responsible. We both work and can afford everything we have plus extra money for things like going to dinner or movies. Neither of us drink or smoke :) but getting to the point we have been together for a year and a half and really want a baby is this wrong? He is my best friend and the love of my life. Also adding we both don't go out to bars or anything literally just work and school :) just want to get thoughts even though I don't think we will have kids until I'm at least 20! Thanks :)