i have a 4 year old autistic son hes been diganosed since age 2. ive been trying the potty for awhile somedays he seems intersted other days not. lately when i have him sit on the potty he will sit but wont go. he walks around holding himself like he has to go i get him on the potty he wont go and still continues to act like he has to go. he just holds it in all day till he gets his pullup on. i dont know why he does this he has went pee on the potty before ive rewarded him with candy and cheering. im worried bout him holding it in all day also. he will be 5 this year he is very smart goes to preschool, still learning to talk. i just dont know what to do he will be 5 in septmeber and im pregant with twins and raising them by myself i just need help please.