Start at some point.
As a little boy our mom often worked nights and so dad then put us to bed. Every single night he prayed with us. Every single night. There was never a night when he put us to bed that he did not lead us, his boys, in holy prayer. May the Divine Mercy always reward him for this.
When he prayed or sang in Latin, we knew it was something important.
The good news is that the Roman Breviary has been reprinted and you can buy it here: