People here (from my experience anyways) are more strict with what they spend their money on...
Again, I'd wager that this is because over here people seem to be strict with their money and on things like that and what they spend it on.
These are some of the nicest metaphors for "British people are cheap" I've ever read. Well done!
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I agree with KoD on the feasibility of indoor dog play areas. The cost of such a thing is definitely a factor, as is the tendency among some British people (primarily my mother-in-law, but I know she's representative of the type) to enjoy getting all warmly dressed up and putting on some wellies to take the dog for a jaunt through a muddy field in the rain, along with all the attendant messing about with cleaning and drying the dog afterward. The final part of the whole production is yelling at the dog when it goes running through the house while still wet, flinging muddy water droplets all over the place, rather than staying on its mat in the kitchen like it was told to do. My MiL acts like this is all a giant pain in the a$$, but you can tell deep down she's having an excellent time.
On topic, no, I don't enjoy UK winters. Too much grey and rainy and dull. If you're going to have winter, either go all the way and have proper snowstorms where you can be stuck in the house all day with a roaring fire, or just skip winter entirely. Eight months of overcast and a 15% chance of rain makes me want to move to Hawaii.