Trade English lessons for gym help

Hi, Lets trade skills.  If you are a guy and know your way around the gym and want to improve your English, Let's Talk!
You can help me out in the gym. In exchange I'll  help you with English (English Classes, I'm an English Teacher). We can work out the details later.  Please be in Madrid Center, i go to Altafit gym. but will be willing to change.    Thanks for reading.