Complex sentence: Maureen took an instant dislike to the spiders and flies that were ever-present in the ashram, and as Starr was allergic to many foodstuffs, he had taken a case full of tinned baked beans along, but soon tired of them.
Split into simpler sentences: Maureen took an instant dislike to the spiders and flies that were ever-present in the ashram. As Starr was allergic to many foodstuffs, he had taken a case full of tinned baked beans along, but soon tired of them.