Just keep trying the guy. U will eventually get better (If you don't, then it's ur fault!!). i was at ur position as well but then i tried and tried him again and again then i learned a lot of new things such as
-when to go in
- when to not to go in
-what to eliminate first?
-where to ward
-WHEN TO ASK FOR GANKS!!! (very important)
-Seeing how Yasuo do against some champions like veigar or Himerdinger (my worst enemy champion against Yasuo)
Here's my thinking. U R PROBABLY PLAYING TOO AGGRESSIVE with the guy.
Whenever i go against Himerdinger!!!! i never go in to kill him. i wait to kills his turrets OR ganks BUT u WILL need someone who is tanky and can do KNOCK UP ( j4, XIN THAO, etc) !!!!! that is very important because u need to ult Himerdinger when u get the chance and let ur JGer get the damage then replace it with you so both of you guys don't die! OR else it's just a waste of efforts!! But here is the most important thing when going against Hiemerdinger. you guys are gonna compete at farming. NO matter what he will get the farm because his pokes R GOD LIKE. you cannot do anything against his turret when they are up. So just turret hug and use wind wall to go in with ur MINIONS to Kill his turret only!!! do not rush to the little guy. he will kill you within matters of minutes!!!
The Only time i will go in as YASUO is that
-WHEN HIEMERDINGER IS SOLO (meaning that you can see his champions in the map and know for sure that he's only.)
-When you have ur ult up and can tornado him!!!!!
-You will need BLOODTHRISTER! AND MR and lots of it
-DO NOT USE UR WINDWALL YET!!!!!! (YOU go in but wait till he use his ult like his big turret or so then you WIndwall!!!!!!!) IT IS A MUST or else you will just die after killing him!!!
-Make sure there are enemy minons that you can dash around ( A need if he runs away or you need to get out if you r dying)
BUILT UR RUNE PAGE PLZ!!!!!!!!!!!!!!!! i cannot stress this enough!!!!!!! IT IS A MUST NEED!
i recommend alot of Critical chance!!!!!
i have a 24 percent critical chance on my rune page and after i get shiv!!!!!!. i am god of ad when it comes to mid game n klate game. THIS IS Y I AM NOT SCARED TO GO ROAMING BECAUSE I HAVE 100 CRITICAL ALREADY AND CAN HELP GANKING!!!!!!
that is my style of rune page for YASUO so don't HATE!
He is a champion that MUST BE STRONG during mid game and early game!!!! Late game HE IS TOO OP!!!! im serious because when i get this champ strong on mid and early game. i know i have late game already!!!!