You shouldn't be buying etherium with all your money at the first place. You will be frustrated and regreted that you have invested in it if you experience a decrease in the price. So you should put your money that you are ready to give up in crypto. Here's a reminder: prices of cryptocurrencies are volatile-- you should know that. So it is normal that it would go down and up unpredictably. If you are not ready to face this truth, I suggest to not invest yet and learn more about tmthe crypto world so you won't be disappointed.