I started listening to lots of French today. One might try and do the same expecting to get the same results. For that, I'll leave here a disclaimer.
At the time, I can speak and listen both english and portuguese at native level. This gives me a huge advantage for learning French. I have an impression that 95% of French vocabulary is cognate or with English or Portuguese. The grammar has a lot in common with both languages and pronunciation has a lot in common with Portuguese.
If one starts to learn French only knowing English, he might have much more troble with vocabulary and pronunciation than me. So be more carefull.