Thankfully not. I think that the difficulty of the task they give us pretty much depends on the kind of person we are.. Some people get goals that might seem easy like 'sing a song' , 'share a good memory' or 'tell a joke', yet it can be really difficult for them to do so. 

[ Not everyone is a clown like him, or good at opening up. Peter has his own lines in the sand that he won't cross as well, like the aforementioned betrayal of a teammate. He pauses for a moment, and takes another sip of his drink while thinking about Natasha's goal. ]

Does it need to cause emotional or physical harm? If it's the latter, sometimes it can be as simple as slapping one of the orbers, or pulling at their ears. [ Things that might hurt but won't leave anyone with lasting damage, just like her suggestion. Peter actually laughs at that. ]

We could try, for the sake of the goal. I had worse injuries in the past. Or you could hit me harder, I'm tougher than I look. [ There's a pause before he adds; ] You are like Sam and me, right? Regular ol' humans? No super strength or secret metal leg that might leave limping for a week, I hope? Gamora’s  was cybernetically enhanced with alien tech, she could even lift machinery as big as a car without breaking a sweat, but it was hard to tell just looking at her.