. Well I 've lived overseas being student as well and yes i've been that moment ,I've been with some guys ,they enjoy party ,drinks, food ,but some of them don't like when it comes to "pay time" ,they used to act like they didn't saw the bill or keep on dancing ,drinking,showing they are busy with talkin to strangers ...blah..blah..But gradually I learnt ...guess what " Pay what you owe " ..or "only your bill" ,.Yes i don't mind paying to one who are new ..who are searching job ...having hard time for the moment ...that's different story .But who 're earning more than you and doing welll..."sorry f@cck offf" ...after sometime they will be "Filter OUT " ,Coz  that person can't be friend if they want to RIP you off knowingly ..SORRRRRRRRY  kiss my a$$$ ,everyone works hard for every $ or rupeees...