David asks to hear something in the morning, before the day has told him what it thinks of him.
The alarm goes, and before your feet reach the floor you have read two work emails, a news alert and a message from the school. By the time the kettle boils, the day has already made its case. Nothing in that sequence was chosen. It simply arrived first.
That order matters. Most of us hear the day first. The phone reports what went wrong overnight, and by the time we think about God we are already arguing with somebody in our head.
The psalm is not written on a calm morning. Earlier lines describe being hunted and worn down to almost nothing. This is a request made from under pressure, not from leisure. He has also already admitted that he could not stand if God judged him on his record. So the morning request is not made from a position of deserving anything.
He asks for loving devotion, the steady covenant kind, not a feeling that arrives on schedule. Covenant love is the kind God binds Himself to. It does not depend on the mood of the one receiving it. And he gives a reason for expecting it. Because he has put his trust in God. The request rests on a decision he already made, not on how the morning feels.
Then the second half, which is the part people skip. Teach me the way I should walk. He is not asking to feel better. He is asking for direction, and he wants it early enough to use.
Try it in that order tomorrow. Leave the phone in another room tonight. In the morning, read one psalm before you look at it, then ask where to walk today. Then pick up the phone.