Expressing excitement about his daughter-in-law Aishwarya's pregnancy, Bollywood's living legend Amitabh Bachchan, while speaking to media on Tuesday, hoped for the best. Big B, who was speaking on the occasion of his birthday, also expressed his desire to do many more different roles. On working with people much younger to him, the 69 year-old said that he sometimes feels awkward but loves the enthusiasm shared by his colleagues at work.