I agree. I don't think we're mature enough at a young age for that kind of commitment which often times ends in catastrophic drama and can put a toll on your education/career/finances.
The issue is that society sort of assumes you are ready for it regardless and there's a lot of social pressure to date. Even if you're ill prepared for it, and likely to lose a lot in the process.
You may be better off just sitting things out and focusing on something else, but your friends and family members will label you an anti-social nerd (or worse) because you opt out.