My fiancé wouldn't rub my back to help me sleep he rather go sleep on a ducking chair then rub my…

My fiancé wouldn't rub my back to help me sleep he rather go sleep on a ducking chair then rub my back for literally a minute! We have family pictures tomorrow...I am so tired...I am mentally and physically exhausted but I can't sleep...I'm not happy...my fiancé won't even try to understand and help...I don't know what to do...I just want to feel happy