Help please! I don't want it to end!

So I don't know anything about succulents but I've had this one since August. I was told to water this once a week with maybe 2-3 full sprays from a spray bottle and it should be fine. It was actually fine for quite a while. But once every 2 weeks a whole leaf will just wilt and die. It was fine at first I thought since it was growing quite tall so I figured it would be fine. Issue is those leaves at the top have kinda been like that for 2-3 months now and all the others have kinda just died. Any help would be appreciated. Please ask me any further questions if needed. I don't want It to die :(