Saul took him that day, and would not let him go home to his father's house anymore.
1 Samuel 18:2
Surrounding context
18:1 Now when he had finished speaking to Saul, the soul of Jonathan was knit to the soul of David, and Jonathan loved him as his own soul.
18:2 Saul took him that day, and would not let him go home to his father's house anymore.
18:3 Then Jonathan and David made a covenant, because he loved him as his own soul.