"With time life toughens you up. You realise that you are capable of much more than you thought... but not waking up early on a Sunday," Ghosh, who rose to fame with 2012 movie "Kahaani", wrote on Twitter.
He is likely to come up with a sequel to Vidya Balan starrer "Kahaani".
Photos: Deepika Padukone, Neha Dhupia and Soha Ali Khan at event
In pictures: 15 facts about kissing that will surprise you
Birthday special: Shahid Kapoor's best performances in Bollywood
Photos: Kim Sharma, Sagarika Ghatge, Zaheer Khan at launch in Mumbai
Photos: Kangana Ranaut looks pretty in pink