"Its cold." He whispered through cracked lips. I looked around as a cold breeze blew my hair in my face. "Lemme try this again..." I said more to myself than anyone else. I snapped my fingers a few times and nothing happened. "Its not going to wor-" he started to say before I cut him off. "Shh, I almost got it" I snapped my fingers one last time and a flame arose in the palm of my hand. "Still cold?" I asked through grinning lips.
Some of the most common abilities are directly connected to emotion, causing powers to activate without direct intention. Different powers are activated by different emotion, and the exact reaction depends on the individual. One very well known example is fire, extreme anger can cause those with this ability to burst into flames. It is so well known because of how shocking it is to bystanders.