Blkboxster, if you want HP, drive your Mercedes. How can you be bored with your Boxster? It has less than 17,000 miles. How many miles have you driven it during your 3-year relationship. You need to drive it more. Become one-with-it. Say to yourself, "Be the Boxster"! Now go do the right thing!
Do you think maybe she is cheating on you?