In your exact context, the real underlying implication is probably more don't go too fast for your dating partner rather than.for. Regarding the to getting forms, i. In grammar in use book, the bold part has been considered as correct answer.
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However book titles are allowed artistic license. To get is the normal form and would be best for everyday use. So, i like getting/ to get to the station in plenty of time.
He did not succeed in getting the job though he tried his level best.
1) getting messed up = refers to becoming whatever the condition is (in a bad situation) to get messed up or getting messed.
