Complex sentence: After watching the positive way that Amy interacts with her OS, Theodore's commitment to Samantha is reinvigorated, but later becomes jealous when she begins privately interacting with another OS who is modelled after the British philosopher Alan Watts (Brian Cox).
Split into simpler sentences: After watching the positive way that Amy interacts with her OS, Theodore's commitment to Samantha is reinvigorated. But he becomes jealous when she begins privately interacting with another OS who is modelled after the British philosopher Alan Watts (Brian Cox).