HOW TO SAVE MY MEDICOS FRND LIFE

Frns,i had already posted in d name of IS THIS A TRUE LOVE..Pls read tat and respond fr my questn.my frnd s so depressed.tat guy chalengd her tat she vl marry a betr gal than my frnd.she s my childhood frnd.i knw her fr d past 18yrs.i cnt tolerate my frnd life gng lik tis.stil she s sayn she wnt him.pls say.. hw to make her undrstn.?she s a medical student bt she s nt undrstndn d reality.she s vry pet to hr parents.only daughter.if her parents cum to know their daughtr s cryn here defntly tey wont tolerate.pls help..