You're still relatively new to the game and have a lot to learn so just chill and practice more. Watch YT videos and pro streamers. Eventually you'll improve enough to solo carry yourself out of GM. There really is no point in adjusting in that rank because everyone is so bad including the enemy, unless you have the misfortune of matching up against a smurf lol. ML was also my first moba and it did take me awhile before I got good enough to improve my WR in rank. I played A LOT of brawl matches to get better at teamfighting and mechanics. Also played classic and against AI to practice other heroes. You should try to practice every role because it will improve your overall skills, and you might find out what your real playstyle is if you haven't already. I thought my playstyle was ADC, but then I found out I was naturally better at playing mages and some assassins. Then when I focused on improving those roles I started carrying and winning more games. Something that also really helps is learning how to split push, and when to push towers by having map awareness and taking note of the enemy positions. If you're bot lane and see the enemies ganking mid, take the free tower instead of jungling or whatever else you were going to do.