BUT.....will there ever come a point when I can 'do' hills without it being a struggle?
Is there a magic number of hills or miles after which I'll start to actually enjoy the climbs??
As has been said, you get better at hills by doing hills but sadly, no, they don't get easier; all that changes is your definitions and how you quantify them.
"Hills (this will be a challange and I will be feeling it by the end of it)" become "Flat" (that didnt register, I just cruised over it)
and "Mountains" (are you nuts?! Im not going up) become "Hills".
As to whether you'll ever enjoy climbs, that depends on how your relationship with said hill demon develops. My relationship with Egor (who rather bizarely has recently become Aussie and grown a goatee) is a decent one; I take his banter and put downs in good nature when he rears his head and enjoy putting him in his place. On the odd occassion he does beat me, I'll just accept it and go back again later to beat him back.
I'm not sure that final paragraph is entirely healthy, but hey-ho.