From that point things started getting complicated. To get is the normal form and would be best for everyday use. Regarding the to getting forms, i.
KSI Biography Age, Career, Net Worth, Songs, Boxing, Parent, Real Name
In grammar in use book, the bold part has been considered as correct answer. From that point things started to. So, i like getting/ to get to the station in plenty of time.
However book titles are allowed artistic license.
From that point things started to get complicated. In your exact context, the real underlying implication is probably more don't go too fast for your dating partner rather than.for. He did not succeed in getting the job though he tried his level best.
