Hey Bikash its simple yaarr, for healthy relationship, both partner has to be equally happy haina ta.... ani saathi u already have said you have GF taller than you and u prefer that, again if u still confused go and ask her, how does she feel about it..............IF BOTH OF YOU HAPPY WHY DO YOU CARE ABOUT OTHERS......WHOLE WORLD IS CHATTERBOX WILL KEEP TALKING ...........DAMN CARE ABT IT... BE HAPPY GO LUCKY !