Never, but NEVER, withold anything from the medics. To put it another way, would you be happy if your wife and kids flew with a pilot who had lied about a medical problem?
Getting stressed in "the city" is not the same as dealing with depressurisation at 35,000 feet, or something similar.
I hope you will be OK, but please play the game properly otherwise you might achieve your ambition...... but regret it later.