I'm gonna be real here, Duolingo's got some major flaws. I love the idea behind it - gamification, bite-sized lessons, and a wide range of languages. But, in practice, it feels like they're holding me back. The biggest issue I've got is the limited number of hearts. Seriously, 5 hearts and you're done? It's like they're rationing my learning experience.I want to do more units, I want to learn more, but no, I'm stuck with these measly hearts. And don't even get me started on the waiting time to get more hearts. It's like they're trying to slow me down. I'm trying to learn a language here, not play a game where I have to wait for hours to get more lives.And it's not just the hearts. The lack of depth in the lessons is also a major issue. I feel like I'm just scratching the surface of the language, and I'm not getting the kind of comprehensive learning experience I need. I want more complex grammar, more nuanced vocabulary, and more opportunities to practice speaking and listeningDuolingo's great for beginners, but for someone who's serious about learning a language, it's just not enough. I need more flexibility, more options, and more opportunities to learn. Until they address these issues, I'm stuck in this limbo, unable to reach my full potential as a language learner.Maybe I'm just being too harsh, but honestly, I'm frustrated. I want to love Duolingo, I really do. But until they make some serious changes, I'm gonna have to look elsewhere for my language learning needs.