BBT kind of already nailed it.
If your Dday is anywhere near your registration date, you're at the very beginning of this nightmare rollercoaster of healing. Buckle up. It's a wild ride.
Check out the Healing Library. Yellow box on the left. Also check out "How to Help Your Spouse Heal from Your Affair". Short read. Packed with info.
There is no magic fix. This doesn't change on 2 weeks, 2 weeks, shoot sometimes 2 years. The "suggested" timeline for healing from infidelity is roughly 2 - 5 years, if there are no new hurts. To be honest, for most people it's closer to 5 years. Not trying to discourage or scare you. Just shooting straight.
Time. Consistency. Patience.