Complex sentence: Umer is six years older than Shahla and adorses her like a little sister but Shahla fancies him and tries to show him her feelings time and again by making him Biryani and many other delicious dishes.
Split into simpler sentences: Umer is six years older than Shahla and adores her like a little sister. But Shahla fancies him and tries to show him her feelings time and again by making him Biryani and many other delicious dishes.