To be completely honest, one of the most effective habits I have picked up over the past year is attending an informal language exchange gathering at a quiet café in my neighbourhood. It takes place every Thursday evening for a couple of hours, and the core concept is simply to pair up with native speakers and chat over a cup of coffee.
I generally go along with a close friend from university who is also keen on mastering Spanish. Once we arrive, we tend to mingle with exchange students and local residents who are native Spanish speakers looking to polish their English. We usually split the time right down the middle, spending forty-five minutes conversing purely in Spanish, before switching over to English for the remainder of the session. We cover all sorts of everyday topics, ranging from local news and music to university life and holiday destinations.
What makes this routine immensely helpful is that it strips away the dread of making mistakes. In a conventional classroom setting, people are often overly conscious of grammatical errors or getting corrected by a teacher. In contrast, at this café meet-up, everyone is in the same boat, so there is zero judgment.
It forces me to think on my feet and improvise whenever I cannot recall a particular word, which has done wonders for my conversational fluency. Over time, I have found that I hesitate far less, and picking up natural idioms and colloquial expressions has made my spoken Spanish sound significantly more authentic.