"Well it doesn't help!" He argued. " The stress is eventually going to kill us, some of us sooner than other if you all don't take my Tai Chi exercises seriously, and I've made peace with that. But we are getting older Tony, we are not Steve or Thor!"
This had been on his mind since their last battle and also since he realized a woman who swiped right for him told her she was really into "the wise old professor thing".