For starters, be careful around ICT. His kindness and consideration are so daunting you start looking for charities to make contributions.
Kev Carter is just as bad. He's so nice to people you start feeling guilty just being in the neighborhood.
A day with Yoda and you spend a year wondering why you don't have as much energy and passion for something--anything.
That's just three for starters.
I guess nice persons are problematic if you don't feel that you are just as nice as them. But most of us don't have great problems with receiving nice treatment from nice persons. That should a a delight that shouldn't hurt.