TOGETHERNESS
arm in arm
linked or hooked together by the arms.The two lovers walked arm in arm down the street.Arm in arm, the line of dancers kicked high, and the audience roared its approval.
as one
as if a group were one person. (Especially with act, move, or speak.)All the dancers moved as one.The chorus spoke as one.
Birds of a feather flock together
A proverb meaning that people of the same type seem to gather together.Bob and Tom are just alike. They like each other's company because birds of a feather flock together.When Mary joined a club for redheaded people, she said, "Birds of a feather flock together. "
shoulder to shoulder
side by side; with a shared purpose.The two armies fought shoulder to shoulder against the joint enemy.The strikers said they would stand shoulder to shoulder against the management.
team up with someone
to join with someone.I teamed up with Jane to write the report.I had never teamed up with anyone else before. I had always worked alone.