It's a lifelong responsibility.
The four men became lifelong friends and fellow-workers.
Both Fred and Cynthia were smiling, lemonade in hand, like lifelong friends.
The Henriade had got on considerably during the journey, and, according to his lifelong habit, the poet, with the help of his friend Thieriot and others, had been "working the oracle" of puffery.
For Godoy the king had an unaffected liking, and the lifelong favour he showed him is almost pathetic. When terrified by the French Revolution he turned to the Inquisition to help him against the party which would have carried the reforming policy of Charles III.