Len could tell there was some kind of tension passing between James and Bucky now that Bucky knew. He even thought he heard a growl coming from his lover's throat, though he couldn't be sure.

And even though Bucky wasn't saying much, it did seem like there was tension there now that wasn't there before.

He moved closer to Bucky, hoping James would hang back a bit. "This gonna be a problem?" he asked in an undertone.