Is it fair to say no if my friend asks me to play with his balls? I don't think I'm that picky, but honestly, his balls are just too soft for me. Last time we played with a mutual friend's balls, which was much more enjoyable. Those balls were harder, and they bounced just the way I wanted, so I kept telling him to play with those balls instead. But he keeps pushing me, saying it doesn't matter, and it's all about having fun.
Am I being unfair? Should I play with his balls, maybe just to please him as a friend? What is the right thing to do here?