Thunderbird keeps asking me for the password every time I login

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http://askubuntu.com – I haven't used thunderbird for a while but when i started to use it again I found out that i have to give the application driven password since i'm using gmail. So i types that application password which is automatically given by the google, but it asks for that every time i try to login. it's really frustrating, to obtain that password i have to go to goodle account settings everytime i login in thunderbird (HowTos)