![An increase in norepinephrine when you fall in love causes tachycardia, palpitations, increased blood pressure, makes your hands shake, increases attention and sexual arousal and can cause insomnia.](https://imagenes.elpais.com/resizer/v2/ASQ3CP3MKBDLFOY3QI2FBDV5YM.jpg?auth=8a51c76a0e21e64817c769eb7b7a8714e2a319cdbae993878afdad0f958bdacf&width=414&height=233&smart=true)
Love is a drug that only works for 15 months
Neuroscience says that infatuation lasts a maximum of a year and a quarter. After that, the relationship moves on to other phases
Neuroscience says that infatuation lasts a maximum of a year and a quarter. After that, the relationship moves on to other phases