![Nerve Cells, love nerve cells](https://assets.shortpedia.com/uploads/2021/09/18/1631960458.webp?tr=w-1200,h-600,cm-pad_resize,bg-F3F3F3)
During the first year of being in a romance, a protein in our cells called Nerve Growth Factor (NGF) that is vital for the functions of particular sympathetic and sensory nerve cells, appears to thrive. During youthful love, our senses are heightened, and our fight or flight reaction system is activated.