A new lens added to the collection but it mean one of the others will be leaving us.

I recently purchased the NIKKOR 100-400mm f4.5 – 5.6 S lens as it seems to me to be a better option than carrying the 70 – 200mm F2.8 S lens and the adaptor.

Thats means the 70 – 200mm F2.8 S lens and the adaptor will soon be leaving us, well i am thinking about the adaptor but the lens will be sold at some point. I simply can not carry all these lenses so why would I keep them?