The short version
Spanish is the second most spoken native language on Earth and one of the friendliest for English speakers to learn: phonetic spelling, shared vocabulary, and a forgiving global community of half a billion potential conversation partners.
Why it is learnable
Spanish is written the way it sounds, its grammar is regular compared to English, and thousands of words are near-identical cognates: informacion, familia, decision. The US State Department ranks it among the fastest languages for English speakers to reach working fluency.
What actually builds fluency
Comprehensible input, hearing and reading things you mostly understand, does more than grammar drills. Frequency matters brutally: the thousand most common words cover most everyday conversation, so early effort on high-frequency vocabulary pays off fastest.
How to think about it
Aim for daily minutes, not weekend marathons; language memory decays fast without spaced review. Speak badly early and often, because production, however clumsy, cements what input planted. Six months of consistent scraps beats two abandoned intensives.