We all know that emotional rollercoaster feeling. You know, the one where you’re up one minute and down the next. Well, imagine if that feeling lasted for months or even years on end. That’s what it’s like when you find out you have a sibling. You never know what to expect – will they be nice or mean? Will they want to be friends or siblings? It’s a total guessing game, and emotions can swing wildly from one day to the next. So here are some tips for how to deal with the emotional ups and downs of finding a…