Angel face...
What PalmTree said...
Also, please try to pace yourself... don't appear desperate when presenting evidence... try to let the evidence speak for itself...
for example, I once re-watched the DVD Faith In Action Part I (2010) with another brother who is a hard-core JW... i paused the video on the two occasions where the narrator mentioned the Bible Students looking forward to 1914 as the year when Jesus would take his throne. I then asked him him: "so XXXXX, before 1914, the Bible Students were looking forward to 1914 as the year jesus would finally take his throne right?" he said: "of course, that's Biblical".... I then showed him old WT publications I obtained through a friend (like Thy Kingdom Come, Millenium Dawn, Finished Mystery) where it is clearly stated that Jesus took the throne in 1874 and it wasn't until about 1929 that they finally changed 1874 to 1914... in fact, prior to 1914, about the only thing being expected was Armageddon. He was quick to mention Proverbs 4:18 (the light gets brighter...) but I just knew that I struck a nerve because he began to studder and lost his composure...
Anyway, that's my two...
but please have evidence readily available before saying anything and let it speak for itself... if it has no effect immediately, be patient... this could take a long time...
good luck
Alfred