A friend in need is a friend indeed
A true friend is someone who helps when you need it.

Birds of a feather flock together
People with similar interests or personalities often become friends.

Through thick and thin
To support someone in both good and bad times.

A shoulder to cry on
Someone who offers emotional support.

Bury the hatchet
To make peace with someone after an argument.

Hit it off
To become good friends quickly.

Like two peas in a pod
Very similar or always together.

Fair-weather friend
A friend who is only there during good times.

Make friends with someone
To start a friendship with someone.

Know someone inside out
To know someone very well.

Be on the same wavelength
To share similar thoughts and ideas.

Stick together
To remain friends and support each other.

See eye to eye
To agree with someone.

A bosom buddy
A very close friend.

Thick as thieves
Very close friends who trust each other completely.

Friends for life
Friends who remain close throughout life.

Old friend
Someone you have known for a long time.

Take a shine to someone
To like someone immediately.

Lend a helping hand
To offer assistance or support to a friend.

Have someone's back
To support and protect a friend.