2 things: First, TC, I'm where you are. Like exactly where you are. I worked my way up to C and now i rarely win and when I do it seems like a fluke a lot of the time. But what you should walk away with is the funny stories. I main Aki and had a mirror match where I lost the first round, we literally knocked each other out and got a draw the second, and then the third round it was back and forth. Both rounds had a lot of us doing the exact same move at the same time (we both were countering each other rushing in by jump>dive so often that we both at one point jumped and dove in unison over half a screen away thinking the other was going to rush in lol). It came down to one hit for each of us in the last round and we were both full screen away. We, kid you not, at the exact same time, called Caesar with globe> duck> corkscrew, and hit each other in the middle. You couldn't see who won because the big "K.O." was in the middle but when the smoke cleared I was the victor. I messaged him and we had a good laugh about the match.
Another time, I beat a Yu who had trouble just dealing with Caesar w/ Sword but I could not call a single one of his mix-ups. I still haven't seen someone mix me up so hard. This match was my personal best: I pulled off the opening move J.C> B Killrush > B corkscrew combo that I never thought I would be able to do online. I won but I messaged him and complimented his godly mix-ups and we had a great convo.
When you get angry about losing a few in a row just take a break. Watch those replays where you were a hero and watch some of you losses to figure out what you could have down better. Message people you win AND lose to. Be humble when you lose and doubly so when you win. Don't frustrate yourself, just take a break. When you get bodied by a guy with 30 matches played and 28 wins who combos you for 6k+ in the corner because he's been playing fighting games since he was an infant, be in awe of his mastery. You and I have a long road ahead of us but later on when you get good don't forget to help the guy who got the game a week ago. Right now, we don't fight for the win. We fight for the sake of fighting and to learn.
Second, ZomB, where is this "how to practice" and how do I get it?!