I am about to have my first time, any tips?

so basically i am having my first time in 5 hours and I don't know what to do. i am super nervous. i cleaned my room and cut my nails, im heading to shower soon. what can i do to prepare for it? the guy i am about to sleep with is a virgin aswell, we kept it to each other. should i put some light makeup on? like really light? I don't know pls help

I am about to have my first time, any tips?
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