Credit and Debit Cards. Cards are by far the most popular cashless payment method in Portugal, including international cards from Visa and Mastercard. ...
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Multibanco. Multibanco is a national system that links more than 25 different Portuguese banks. ...
Payment is typically made via automatic collection from your bank account, and you'll need to provide these details when signing up. Alternatively, you can pay your bills at your nearest Multibanco ATM. Payment intervals will depend on your provider, although this is usually done monthly.
Before dying, John tells Dean, if he can't save Sam, he'll have to kill him, should he become evil. The fourth season episode "On the Head of a Pin" reveals that the demon Alastair tortured John in Hell for over a century, with John refusing the demon's offer to stop if he himself would torture someone else.
So, there are basically two reasons, both closely related to his sons: His own efficiency, as they get him distracted, for he goes after a dangerous daemon (the yellow-eyed one), and thus worries about them getting killed. He is afraid to actually see them die, like he saw their mother die.