how to get rid of a friend in facebook?

[Anjali]

i had a friend during my school days.not very close friend.we studied together.she is in my facebook friend list now..she is married to a handsome guy and well settled in abroad..she is showing off too much in fb..uploading their pics everyday and its making me so jealous and irritated..i somehow managed to hide her posts appearing in my timeline..but still like a stupid i open her profile and check whether she has put up any new pics...i dont want to do it..but i couldnt control myself..i cant remove her from my friend list also..only way that i have now is stop using fb..is there any other option to stop checking her page?is thr any psychological way to overcome jealousy?plz advice..