But God, who is rich in mercy, because of His great love with which He loved us, even when we were dead in trespasses, made us alive together with Christ (by grace you have been saved), and raised us up together, and made us sit together in the heavenly places in Christ Jesus,
Your identity and where you see yourself are vitally important and will determine how you live your life and whether you fully see the victory that Jesus won for you! We need to go to the Bible to see how God describes us and our position. We know that to get somewhere we need to know the destination but many times we forget that knowing where we are (our starting point) is equally important. If we are seeing ourselves in a way different to the truth, we will always be getting lost on the way to our destination.
The first 3 chapters of Ephesians are an excellent place to look at who and where we are in Jesus. Read through the chapters carefully looking for things that identify you and declare your position. (Ephesians chapters 4-6, tell us about what should flow out of us once we know our identity and position).