Sometimes I feel not good after paying a High Fee on ETH, But I want's to know why this? 
I feel my emotions with this
I feel my emotions with this
There's a lot of threads about the ETH gas fee's already, maybe this thread can help you out:
WHY ARE ETHEREUM GAS FEES RIDICULOUSLY HIGH?
Why ethereum gas price is very high?
Why such high fees in ETH?
Ethereum Gas fees too high
For sure you can find your answer on those threads. @cryptoaddictchie has also gave you a good advise so it's better to look at other options right now.