 Seven things to know when you first fall in love. One, you can change. People in love will find themselves with different personality traits and interests after entering into their respective relationships. Two, fear and judgment will decrease. Feelings of love deactivate neural pathways responsible for negative emotions. Three, love can make you sick. Love can raise levels of cortisol. The stress hormone cortisol can increase the odds of making you sick. Misunderstandings are bound to happen. Don't let simple confusion disrupt your feelings for each other. Five, they aren't your missing piece. Feeling complete and finding your purpose is a journey you must discover within yourself first. Six, their values can change. Couples often become a good match based on similar values. Seven, learn to love yourself first. Treat yourself with the compassion and care you'd like from others. Respect yourself first. Then, your heart will be open to finding your true love. Have you learned something new about love?