Answer:
1.Happy
2.The advantage is sounding authentic, like a real native speaker.
One disadvantage comes if you don't imitate the dialect well. Then you just sound silly
Think of someone who speaks your own native language very, very properly, but then starts saying things like, "Aw, you know Haters gonna hate!"
Same language, but the mix of dialects sounds forced and unauthentic
The other deadvertege can come if the language has big differences between the dilecto and you learn a regional variation that to are outside that region can understand
Explanation:
hope it helps!
