It's irresponsible to have a baby as a teenager.
Rosa wanted to have kids with her boyfriend Nate now so that they'd be grown before they were middle aged.
Rosa wants to have kids with Nate.
Rosa and Nate decide to wait until they're married and out out college first.
Rosa and Nate have their kids right away like they want.
Their families help put them through college first.
Turns out their families don't agree with them and stop supporting them financially.