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As with any technique, use it when it makes the text easier to understand, and don't overdo it (unless you're overdoing it deliberately as a stylistic choice, which should then be obvious).
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#4: Attribution notice removed
Source: https://writers.stackexchange.com/a/5658 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#3: Attribution notice added
Source: https://writers.stackexchange.com/a/5658 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/