The can make me feel uncomfortable because I don't feel like I deserve them being so nice to me when I haven't don't anything to warrant it. I then feel guilty that I haven't been as generous, and feel I need to do something in return.
Yes. Absolutely. The cynic in me finds it very difficult to believe that they are really that nice, it must be a front - what do they want? The pisser-and-moaner in me would like them to find fault with something.... anything, it doesn't matter what, just stop being so Pollyanna about everything! And overall, I find it can be tiring to be with someone who bounces around the whole time. A Tigger to my Eeyore, if you like, I need respite from them, a break from all that cheerfulness.
Isn't it terrible that we often assume people who are nice are putting on a facade? Sometimes it can irritate me if I'm in a stroppy mood. But it often puts a smile on my face because it's all too common to encounter somebody who is apathetic or rude, and not common enough to encounter somebody who is kind and caring.
Not at all! When people are nice to each other, it makes the world a whole lot better. Plus, you will normally reciprocate or pay it forward (because you are feeling happy). If we start second-guessing their motives, that is not very nice.