The survey found the secret of success in claiming to have a perfect weekend night, and many people associated it with making candlelight dinner with friends. It is much healthier (not healthy, but more reasonable and appropriate) for two people to know each other through such a dinner than to sell wine and have a carnival together.

Sentence structure: the first sentence: from the claim to the end of this sentence, it is the post-attribute of the investigation, and it leads to an object clause. This after the first refers to the found object. In fact, after home cooking, you can also modify dinner without commas, and use candlelight as an attribute. For a great Saturday night, it is a prepositional phrase after the attribute of the recipe.

The second sentence: the main sentence structure is that the comparative level of XXXX is XXXX instead of XXXX. Is can be understood as a gerund phrase, and the real verb get+ Ing becomes the non-predicate form of Ing. It's the same to say than, the non-predicate form of ing. To say much healthier, adverbs are added before the comparative degree. Such adverbs usually include many, few, a little and so on. For example, my English is much better than yours.

You can ask questions if you are unclear, and I will answer them. It is no problem for China people to learn grammar, especially English students under the early China education model.