along for the ride

1. Participating but not actively, as in Don't ask me how long this job will take; I'm just along for the ride. This metaphoric term often is preceded by just to emphasize the passive role of the “passenger.” [Mid-1900s]

Related Words

• deadpan 
• dispassionate 
• emotionless www.thesaurus.com
• impassive 
• laid-back 
• reticent