I dropped Spanish which was the only language offered during my high school years. I regret it, and now I'm embarrassed to start learning as a uni-aged guy. I want to learn Mandarin because then I would know English and Mandarin which would cover like 50% of the populations speaking abilities.
Basically I just feel like a dumb American and being a Marxist I need to know another language.
Learning a language of a country you moved into is hard and took a bilingual extrovert I know 3 years. Good luck. In the age of translations, you're fine.
Also, you really shouldn't feel any less for not speaking a second language. Most stats of language proficiency are heavily overblown. Most stats where they qualify people as speaking a language seems to be on a level where they can answer pre-learned answers to pre-learned questions, which is not what I'd consider speaking a language.