Hi! I’m new to this forum, but not new to Grand Design. I’m a full-time RVer. Single mom of 4 kids and we homeschool. We currently own the Grand Design Momentum, but we are looking at the Solitude 377 mbs. I know GD no longer makes this model, so I’d be getting an older model preferable 2019 or 2020. Does anyone who owns one know the length of the bunk? I have two teenagers, a tween and a 3 year old. I wanted to make sure that my girls aren’t too long for the bunk. I’m planning to pull out the couch below and put in another twin bed. TIA!