I'm 20 y/o I started talking to this girl who was 19.. she left her man when I came around. I see her once a week in class.. we sit next to eachhother and all we talk about is sex and drugs. The way that she looks at me I can tell that she wants it bad but the problem is that she'll text me before I get out of work to text her when I get out, I text her and then she just goes cold. This has happened two times already, i'll text her back and then she'll stay blank.