I bought JSE at a price of 34 Satoshi for $ 400, now the price is 17 Satoshi and the feeling that it will fall even lower .... I start thinking that this coin is full scam and just dying ... I am very upset that I lost my dollars. 
Feeling sorry is not going to change anything, but make you feel miserable.
Options:
1. Sell all and abandon the ship.
2. Buy more on the lower price, which will make your previous price of 34 Sat actually a 24Sat
3. HODL and return later at a better time
4. Help the project grow, thus increasing your chances to earn
5. Accept that having current market state is perfectly normal,
then check BTC price charts and see that it happened many many times before.
6. Remember Dec 2017 when you decided to enter crypto (the worst time)
Now see the market and decide to exit (again the worst time).
Then consider how things would look if you could switch Entering time and Exiting time
at the next cycle?
Well, all that means now is the best time to acummulate crypto.
JSE will have hard time surviving as any other real world use case coin.
You decide.