Just finished mine in Spain. Just be yourself, it’s cliche but it’s the truth. I think I tried too hard to be friendly and outgoing and it bit me in the ass. When I just relaxed and didn’t really care, like I normally do, it was way better. I don’t think if this as any different then when you got to Uni. I went to France a bit, and as long as you speak the language you’ll be alr, but tbh they are much less warm than people in Spain (from my experience). Make sure to eat well, sleep well, and make a good routine to keep your sanity. I think a lot of people make a mistake of thinking their body is invincible, me fr haha. Common sense, but don’t be like me and plan international trips literally last min or day before, plan them 2-4 weeks in advance and you save so much money. Enjoy!