During a long time their social intercourse was unrestrained--often joyous.

They were too far apart, figuratively speaking, to come to blows.

Truth to say, their aims were after all not so far apart.

They played to one another's lead.

Many a time have I seen Keitt, of South Carolina, and Burlingame, of Massachusetts, hobnob in the liveliest manner and most public places.
It is certainly true that Brooks was not himself when he attacked Sumner.