Possible Clues:

• Fit in marathon -- after beer, oddly!
• Live with desire to fit in
• What a mendicant might do around London to fit in
• Take your time possibly and fit in
• Fit in with a follower, for example, consuming port that's not off
• Take some time to get fit
• Be attached
• Are members of English Left enthralled by sound of Big Ben?
• Survive hunger, as fit
• Fit to continue marathon