Pick the mission you want to do and put no more thought into it. Hopefully you’ve gleaned from above that EVERYONE is on the road, has long days, works weekends, and does it all with varying levels of outside-work issues. I have friends who thought heavies would be the jam for reasons you stated, they hated it. Other friends same story, but with fighters. LL for those guys: pick the mission you’ll enjoy, not the one you think will have “better” QOL, time at home, least workload, etc.
If you can’t stomach that idea for the next 10 years, then in all seriousness stop now. I hope you don’t though, because I think you’re young and think your problems are more difficult to manage than reality; you’ll be fine and continue to figure life management out as you mature. That’s not meant to shit on you, we’ve all been through it in our young-mid 20s (I took e-leave in UPT also).