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So don't worry so much about how to use  had had  as a unit of grammar, they will come together naturally when you want to express the verb ' to have ' in the past perfect. Let's consider a different verb for a moment like  to want .
English, USA. Get your act together is good, but it definitely doesn't have the same feel. Ponerse las pilas seems more like get moving to me. Get your act together is often used for someone involved in drugs, gangs, criminal lifestyle, or or who simply isn't making the best decisions in his life.