go with the stream

To go along or agree with the prevailing or popularly held opinion or perspective; to act or behave the same way as the majority of others. When I was in college, I used to have a lot of radical opinions and beliefs, but as I've grown older, I find myself going with the stream more often. I'm sorry, but I simply refuse to going along with the stream just because it's the easier option!

go, swim, etc. with/against the ˈstream/ˈtide

behave/not behave in the same way as most other people: He’s a fashion designer who’s always swum against the stream; his work is very original. ♢ Why do you always have to go against the tide?