No date night

My SO got a dirt bike a at the start of summer and has literally not been on a date with me since may. If he's not out ridding his bitching about how sore he is or how he wants to ride. I get it. Its his hobby but I want to do something. This was our weekend without his son so I wanted to go hiking but he singed up to work today then came home after an hour and said his ex has plans so we have to keep him all weekend. I love both of them but I feel like I'm getting the short end of the stick