Hate them.
"My emotions are stronger than yours" it's tired, overused and very little thought behind it in many cases.
If I remember something from the first year of psych uni (I have a BA in psychology, didn't pursue further) is that people can feel high intense emotions for the most trivial things. That means with emotion linked powers, someone who's hamster died may be able to wipe the floor with someone with years of trauma because in the moment, hamster girl's feelings are all over the place and at a high intensity.
Imagine it: A chaotic flare of energies, some high some low, never constant, barely any pattern, difficult to control and quite volatile versus a constant stable power coming from a single stabilized mix of emotions.
Everybody forgets the adaptability and acceptance of the human mind. Many, can live with the greatest pains. And in time, happiness, sadness gets dulled as the memory becomes ever more distant. You end up with a scar. Now that might bring forth neurosis, but in the context of powers, it would mean that your abilities decrease in power with time. You'll go from death ray to laser pointer.
Try to recall a point in your life when you were in an emergency situation, physical intense action like combat, action sports or any action packed activity. What did you feel? In my case, it's a mix of tension, heightened focus, and enhanced control over my body. What I know is that I don't have time or the ability to recall being sad, happy or in love.
I wouldn't be able to use any powers other than the ones derived from what I'm feeling in the moment, any deviation would also break my focus, body control and worst of all, distract me. Which in turn would make the only powers I can use, lose intensity. Laser pointer again.
The only way would be to keep out of the main conflict and constantly hurt yourself in ever increasing creative ways to keep it up. So you either break yourself mentally and end up in an asylum or become so desensitized that your abilities will barely compete with a regular weapon.
It felt good typing this. I get minor fireball for like 5 minutes.