Because nobody wants to sell this?

I don’t think that has anything to do with having sex.

I guess that’s the whole point why most people tend to build some kind of relationship before jumping into bed. It’s not weird if there is trust and affection between the people involved. It’s also a basic instinct of most animals, it’s something you want so any awkwardness that may arise is secondary.

When I couldn’t afford a new species that I wanted to keep :(

If you don’t like the act that leads to reproduction, you’re less likely to reproduce meaning that your genes will probably not be represented on the next generation and therefore the likelihood of people not enjoying reproduction is generally low.

I’d like to be able to hear like a bat. There’s so much of the sound spectrum we normally don’t perceive and it’d also be cool to experience their echolocation.

Our eyes are pretty good at working in air though. The only thing that makes them fish like is that they have to stay moisturised really. I doubt that filling them with air would do much, we could maybe get rid of floaters though. The dumbest thing about our eyes is that they’re inverted with nerves and blood vessels being in front of the receptor cells so I’m wondering how much they’d improve if they were properly constructed like in squid.

They probably can’t see colour very well though. They may have more receptors but they can’t mix those as well as humans so it’s a bit like looking at an 8 bit game with some new colours. Also the resolution of their eyes is abysmal. Birds have one receptor more (UV) and really sharp vision. That’s where it’s at imo.

I fear that it will be the former.

Well well well, just wait until you get a sunburn resulting in skin cancer and say that again. Check mate astronomists.

Isn’t this system a rather normal payload? We had really large rockets with the Apollo program.

Well, if the rocks are sufficiently small and plenty as well as stealth coated (or at least painted black) they are still a nuisance with deadly potential.