Have you ever opened up your brokerage app, looked at your balance, and felt like you were trying to balance on a tightrope during a sudden windstorm? You are definitely not alone. Trying to figure out the right mix of investments can feel like a stressful, high-stakes guessing game, but mastering the Harry Markowitz Modern Portfolio Theory completely removes the guesswork by providing an optimized frameworks for your long-term wealth. Building a balance, stable portfolio isn’t actually all that different from other cooperative lifestyle choices, like navigating the details of budgeting for couples: how to merge finances without the friction – both paths require you to stop looking at pieces…