sleeping over at his house..but I'm on my period

I'm kinda nervous because I've never thought I'd sleep over at his house but my family are out on vacay without me and I get to be with bae the only thing is I'm worried about showering lol the thing is my boyfriend has two sisters so he's used to periods and stuff I've just never showered at another persons house so I'm a little nervous ok not nervous very nervous anytips girls? And no we don't have sex during my periods it's just the way it is lol