WHY DOES SPACEHEY KEEP DELETING CODE

I WAS EMBEDING A VIDEO AND WHEN I SAVED NOT ONLY WAS THE CODE GONE BUT ME OTHER EMBEDED VIDEO WAS GONE AND THE VYNL COLLECTION THING I HAD UP AND THINK THE MUSIC ON MY PROFILE I EMBEDED IT RIGHT SINCE I HAVE DONE IT MULTABLE TIMES BEFORE BUT FOR SOME REASON THE VIDEO I PUT UP DELETED EVERYTHING I'VE HAD OTHER PROBLEMS LIKE THIS BEFORE LIKE WHEN I WAS ADDING THE FALLING STARS IT DIDN'T LIKE IT AT FIRST AND DELETED THE BACKGROUND AND I MEAN THE ACTUAL CODE SO THAT WAS GONE ALONG WITH THE MUSIC AND I DON'T KNOW WHAT TO DO IT'S THREE IN THE MORNING AND I'VE BEEN CRYING BECAUSE I'M PATHITIC OVER THIS AND I DON'T KNOW WHERE TO BEGAN SINCE THIS TIME IT DELETED SO MUCH AND I JUST SPENT SO MUCH TIME PUTTING THIS CODE IN AND TIDYING MY BLOG UP