Should I Text Her Back Or Wait ?

I was texting this one really sexy girl. the conversation pretty much went like girl-hey me-hey watchu doin girl-sittin in the car hot af hbu ? me-playin xbox my finger gt jammed while playin football she said aww i wish i was their to kiss it i said yep ur kisses cn heal anything like magic lol then she said do wanna play a game i said yea and i havnt had a reply 4 3 hours. i kno this sounds like im thinking too much into it bt we pretty much go out together and i jus wanna kno if i should text her bak or wait until 2mrrw