Sometimes we think we need to completely change our lives to become happier, healthier, or more successful.But the truth is, small changes can make a big difference.You don't have to wake up tomorrow and become a completely different person. Start with one small habit, repeat it, and let it become part of your lifestyle.Here are seven simple changes you can try.1. Start Your Day Without Your Phone.One of the easiest ways to change your morning is to avoid checking your phone immediately after wa…