People do not need bitcoin to become stable because if it becomes stable, they will not able to earn money with bitcoin. AS you can see, people care about bitcoin because of its price, not because of its techonology. There are only a few people know exactly what is inside bitcoin and how bitcoin workd. Rest of them only want to earn money from the volatile in the bitcoin price. Therefore, dont expect bitcoin price to be stable. It is better when it keep increasing like this
There is a lot of ways to make money in bitcoin and it is not always up to the price on how they are going to make profits or money they can also do investing in some sort of ICO projects that can be found in the altcoin discussion and also they can do trading altcoins which is very common for making money for some bitcoin user because they prefer it because of the faster moving price than the price of bitcoin.
Yes off course there is no doubt that bitcoin is now one of the stable currency and you can invest here as well as you can start daily trade here and I believe that’s why bitcoin is become favorite currency for every one because in short time bitcoin achieved a lot of things and it take its price to high and keep its price high all the time so I think that bitcoin is now a part of life of every one because bitcoin is now very valuable and important for everyone.