That is one happy piggy!
Look at the pic for yourself. If he was scared in any way, his eyes would be wide and you could see a thin gray/white membrane that is visible when their eyes are open in fright. Your boy's eyes are relaxed and he is actually smiling (looks like that).
Both our boys are very vocal and love to snuggle on one's neck. Sparky will rumble and make chut-chut noises almost the entire time. I have cuddled the boys on my chest since they were babies and that's still their place of safety. They will compete to see who can get the highest on one's chest and closest to the face. My 3 lb Sparky will often lie diagonal so that he can block Chip and thus be the favorite with "Mommy".