"Girlschool's song This Time" is about a person who has heard a rumor about something magical happening that day. They believe that they have a special power or charm that can steal someone's heart. They are determined to make this person fall in love with them. The lyrics suggest that this person has had romantic encounters in the past ("Feels like the first time"), but they feel a strong connection with the current person they are pursuing. They use the metaphor of being a thief in the night, implying that they want to steal the heart of the person they desire without them realizing it. The person singing the song expresses their confidence and determination in making the other person theirs. They believe that their obsession with the other person will ultimately pay off, despite any potential consequences or negative perceptions ("Who says crime doesn't pay?"). Overall, the song portrays a sense of desire, obsession, and confidence in pursuing a romantic interest.