Experiment

I have don e a experiment on myself by watching two porns of two different actresses one was curvy my all time favourite and other was skinny. When I was watching porn of my favourite actress I was actually trying not to cum my mind was set to not to quit easily but after some days after some rest and fitness and nice diet I watched porn of skinny pornstar and even though I wanted to not to cum I ejaculate quickly. So I observed that when you fuck someone you love your mind will set to not to cum quickly but for not favourite one even you try you will cum quickly.