Thin-skinned or thick-skinned?

“Even with the nomination wrapped up, Trump remains thin-skinned and lacks self-discipline.”
https://www.washingtonpost.com/news/powerpost/paloma/daily-202/2016/05/25/daily-202-trump-s-attacks-on-the-gop-s-most-prominent-latina-susana-martinez-should-alarm-republicans/57447430981b92a22da97667/

Do you think you are thin-skinned or thick-skinned?
Do you want to be seen as a thin-skinned person or as a thick-skinned person?
Do you think that thin-skinned people are good at negotiating with thin-skinned people?
What do you think about thin-skinned, thick-headed moguls?