Strip Steaks with a Side of Blue Cheese Spaghetti

Salt

1 pound spaghetti

4 (8-ounce) NY strip steak s

Ground black pepper

2 tablespoons extra-virgin olive oil ,

2 turns of the pan

5 tablespoons butter , divided

4 cloves garlic , minced, divided

2 shallot s, finely chopped

2 tablespoons all-purpose flour

1 cup chicken stock

1/4 to 1/3 cup cream or half-and-half , eyeball it

8 ounces blue cheese crumbles

2 to 3 tablespoons chopped sage leaves

2 tablespoons chives , chopped, a palm full

2 cups arugula , a small bunch, cleaned, trimmed and shredded