One of the best ways to inspire your girlfriend is to be a great role model yourself. Do things that make you happy and content, and she will naturally want to follow suit. Be confident in yourself and your relationship, and express your affection for her regularly. Give her compliments, do thoughtful things for her, and let her know how much she means to you. Help her pursue her own goals and dreams, and encourage her to be the best she can be. With your support, she will surely blossom into an even more amazing person.