Pee Pee on the Potty!

I am SO EXCITED!  Greg just went pee pee on the potty for THE FIRST TIME EVER!!!  He has been so resistant and adamant about continuing to wear a diaper but tonight, he did it!  He got up from the couch and went over to stand in the corner - his tell tale sign of going poop.  So I asked him, "do you have to go potty?" and he said "yes."  So I asked him if he wanted to try and go on the potty like a big boy and he agreed!  I jumped up and took him straight to the potty but he had already pooped in his diaper so I suggested that maybe he should try and go pee.  I took off his diaper, showed him his poop and explained that it needs to go in the potty.  We dumped in into the potty and flushed it down. Then, he climbed up on the step stool and stood there, petrified.  I reassured him that it was ok and encouraged him to try and after about a minute or two, he squeezed out one little drop and got scared.  It was so cute!  Then I praised him and made a huge deal about the 1 little drop and asked if he could go more.  After another minute, he fully released and went pee pee in the potty!!!  I am so excited and so proud!  He said "I''m went pee pee in the potty like Nathaniel (one of his best friends who is already potty trained), like a big boy!"  I am so encouraged that we've taken the first step and he knows he can do it now!  YAY!!  What a great night!