When is FMU???

Emily • My world was completed on 12/29/2017! So blessed to have Kiegan in my life! 😍🚼👣💕
So I'm still very new to tracking and TTC.. Now I get up every morning at 5am to make my fiance breakfast and lunch for work. So would that be my fmu? There are times when I get up in the middle of the night to pee is that my fmu? I usually lay back down for a couple hours before I have to get up for work so would then be fmu?? Ugh. I'm so confused. Any help is appreciated!