Tonight is my DS parents evening. I usually go to the gym on my way home while my son is at an after school club on a Weds. So I finish work, go straight to the gym, then pick up DS (gym is round the corner from DS club, and 4 miles away from home - no public transport). So if I go home, I have to come back out and do another 8 mile round trip anyway.
If I go to the gym, then it will leave me 30 mins to have a shower and get the three of us fed before I have to turn around and go back out again.
Now, I could not go to the gym, but I was rather hoping that DP would get the dinner ready for us for when we both got home seeing as he doesn't want to come to DS parents evening. 
He also goes to a gym on a Weds (different one to me - his is "posh" and is 10 miles away) and could do our tea and then go while we are at parents evening but apparently he wants to go before dinner (and I suspect walk in the door and have dinner waiting for him on the table
).
I work late on other nights and this fits in well with DS club usually so I am used to doing this. DP visits to the gym are more hit and miss.
So, am I being unreasonable?