Meaning of "Thinking About You" by Elvis Presley

The lyrics of "Thinking About You" by Elvis Presley convey the deep longing and heartache of unrequited love. The protagonist is constantly consumed by thoughts of the person they love, unable to shake off the memories and feelings associated with them. Even when trying to distract themselves by going for a ride or carrying on with life, they find that their mind always goes back to this unattainable love. The mention of seeing the person with someone else highlights the pain of jealousy and the heartbreak associated with watching the person you love be with someone else. Despite the passage of time and attempts to move on, the protagonist still finds themselves unable to let go of the love and the emotional connection they once shared with this person.