Yo if you think that you're leaving because you're not ready for a clan like that is a ok reason, but everytime you fight you get better and the more you play the better it will be if you quit you'll never get better just honesty
In my opinion leaving for losing in a solo war 7-2 is nothing...people have their downs (even berkitty)
Yes I was there in the call when you where warring and there's no reason to leave a clan that will help if needed.