When people tend to be really tight-lipped when it comes to disclosing how much they earn from their professions i.e. if you ask somepone how much they earn from their regular job, they are not likely to tell you. Is it about boasting or trying to help others by acting as a source of inspiration.
i guess yea may be bosting so if i say i earned $1000/day from adsense you'll sure ask me or pm me how i earn so so so .i may say do this join this soso. and get some referraks and better chances of getting visitors to site to see how he earned