You are likely to miss how extraordinarily good your partner made you feel. The good we remember, the bad we forget. Don't make this mistake. Every time you sadly recall a wonderful memory, think of one that hurt. Better yet, think of two.
Actions speak louder than words.
Your partner knew exactly what you wanted to hear and said or implied it. Your partner may be back and may promise you the world. He or she means it for as long as long as it takes to regain your trust. As soon as you become comfortable in the relationship, your partner will do something to mess things up. They can't help it.