So starting to feel a bit sad!

I've been putting off buying a few models of LM and they've been retired. Juice's and a few pocket tools, Cam and Hail and a spare Piranha.
It's made me think differently on all my Mt's, MUT is my favourite model by far and now I'm scared to use it in case I can't get another, plus cost its now 200Quid!
Ive just ordered a new steel Surge and I think that and a Free P2 are going to be my go to's
I guess my question is, how do we now when a model is going to discontinued?