Loving someone is giving them the power to break your heart, but trusting them not to.
What gives you pleasure and joy? Let those be the things that lead you forward in life.
I always say about acting: the audience doesn't come to see you, they come to see themselves. So if you're able to give them an experience where they feel, 'Oh, my gosh, that's me, that's my story, they know!' then you've done your job.