Since Enrico doesn’t like the baby-blue gown, I will go with his preference for the other dress. But I'm afraid I won’t feel at ease during the wedding, because I don’t like it very much. I mean, I like the colour, but it doesn’t fit me very well, and the baby-blue one does. Still, this time, I feel he should decide, because he is the groomsman. At the store, I deferred to the saleswoman, who told me the baby-blue dress was perfect for a wedding. Nevertheless, even my Mum agrees with Enrico that the second one is better, so I think I will give in to their preference.

If Enrico doesn’t like the baby-blue gown, I will go with Enrico’s advice but I won’t feel at ease during the party because I don’t like the other dress. I mean, I like the color but it doesn’t fit well on me and I lean toward the baby-blue one. But this time he should decide because he is the groomsman. I deferred to the saleswoman, who told me it was the perfect outfit for the wedding, nevertheless even my mum sides with Enrico and likes the second one the most, so I think I will cave in.

If Enrico doesn’t like the baby-blue gown, I will go with Enrico’s advice but I won’t feel at ease during the party because I don’t like the other dress. I mean, I like the colour but it doesn’t fit well on me and I lean toward the baby-blue one. But this time he should decide because he is the groomsman. I deferred to the saleswoman, who told me it(???) was the perfect outfit for the wedding, nevertheless even my mum sides with Enrico and likes the second one the most, so I think I will cave in. In my opinion it is fine as written! Any changes would be stylistic choices for the most part, or an attempt to make more formal something that is not intended to read that way. When I correct/edit another person's work I am always looking for grammatical errors or places where meanings are unclear. I don't want to substitute my "voice" for the writer's. My one suggestion would be to clarify which dress you mean in the discussion of the saleswoman. Good work!

If Enrico doesn’t like the baby-blue gown, I will go with Enrico’s advice but I'm afraid I won’t feel at ease during the party because I don’t like the other dress. I mean, I like the colour but it doesn’t fit well on me / it doesn't suit me well so that's why I'm leaning toward the baby-blue one. Since Enrico is the groomsman, he should have the last word. I deferred to the saleswoman, who told me it was the perfect outfit for the wedding, nevertheless even my mum sides with Enrico and likes the second one the most, so I think I will cave in.

If Enrico doesn’t like the baby-blue gown, I will go with Enrico’s advice. I worry that I won’t feel at ease during the party, however, because I don’t like the other dress. I mean, I like the colour but it doesn’t fit well on me so I am leaning toward the baby-blue one. Regardless, Enrico should decide because he is the groomsman. When choosing the dress I deferred to the saleswoman, who told me it was the perfect outfit for the wedding, nevertheless even my mum sides with Enrico and likes the second one the most, so I think I will cave in.