Awkward, it sounds awkward. Take a look at the underlined word in the first sentence. It means smugly self-satisfied. Although the parallel structure would have been grammatically correct in the second sentence if I retained that word, it would have had an unbalanced, strange meaning. Remember that when you express ideas in a list, unless you qualify them, you're saying to the reader that you regard each idea as about equally important.
Writers often make mistakes with parallelism.
Fortunately, the mistakes are easy to fix. Make it one, and you're finished. Most people play golf to stay in shape, to unwind after a long day and to spend time with their friends. The and suggests that it will be followed by a fourth adjective, not a prepositional phrase. Our new teacher was young, tall, slender and red-haired.