Help I tried cleaning my gears and my free hub body came off and now it’s coming off really easy

It doesn’t look to me like you have it all the way seated back in the hub shell. I am not familiar with this style of hub though I could be wrong? Try additional pressure, I would imagine that text is supposed to be almost flush with the body of the hub

Yup. Some freehub bodies are a tighter fit than others but it’s pretty common. I remember building up my gravel race bike, installing the 11-51 cassette, flipping the wheel over to install the brake rotor…and the whole freehub popping off along with the cassette.

Just feel lucky this one goes in easily, the offset pawls in some make it a real biach!

Hopes are like that. Not sure if it supposed to be life that but my hopes are similar. I’ve had my cassette just fall off before when the wheel is off the bike. Probably 8,000 miles on mine.