my 2 years 7 months toddler holds his potty...we are potty training him he holds potty and susu and doesn't do potty for 2 days starting this my 3rd attempt to potty train him he always does this and I keep up on him and get back to diapers but this time he has hold his susu as well and has not done since 12pm without diaper.. what to do how shall I potty train him.. trying to train from age of 2 or before still same he doesn't agree to do without diapers