Hey guys so i have a two year old boy he’s currently going to speech therapy this child speaks when he feels the need to he only in therapy a few times i seen some what improvement at home I encourage him learning activity but he really doesn’t sit still ignores me the majority of the time his vocabulary has improved a lot before he only new numbers 1-3 that’s all he said now is 1-10 animal words-sounds some colors but he doesn’t say mama only dada he only says bye bye when feels like but he knows how to

Is this normal i feel like he’s lazy to talk but knows how to