Canada.s price of natural gas is still cheaper than the price of a bottle of whiskey. Plus it will make you forget why you want to live in that cold miserable waste land.
I have a B&K calibrated mic & meter plus B&K frequency gen. But you can start with a Radio Shack unit. Its not too accurate but can give you some general readings. Finding the proper spot to take your readings will be the major problem.
It's healthier than sitting in a tavern and listening to a jukebox. She ought be glad your home. Give her LOL. Men have hobbies & toys. This one she can enjoy too. You both can dance together.