Why did his mom say this?

i have an autistic client & i’m his morning tech & he has a evening tech & the mom said something weird in front of me she told him Robert’s (his other tech who was out for vacation) he’s coming today knowing he’s non verbal & understands somethings. like she’s sweet & offers me food & to swim but what was she expecting him to say back lol… and then her son said it too hours later and whispered his brother likes robert more than me & i said what & he nothing. LOL like kids will be kids & my client has been with the other tech for 2 years so i don’t care as long as me and him are compatible it’s fine. but the moms comment was weird like how old are you…
Why did his mom say this?
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