According to a survey conducted by Plenty of Fish, theres nothing worse than bad sex. Except perhaps bad grammar.

Especially confusing the words "Their" and "There".

2000 single people were polled on their biggest dating turnoffs.

58% said that bad grammar was a bigger deal breaker than bad sex.

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Dating website, also yielded similar results in 2015. Good grammar ranked higher than confidence or good hygiene among best qualities to look for in a partner.

Good conversation is one of the best signs of compatibility within most dating apps.

Note then:

So don't go saying "irregardless" instead of "regardless".

Avoid confusing they're, there and their or your and you're.

And you'll most likely be fine.