I’s it wrong to sext my boyfriend who is in prison?

Cause someone said “you are coco teasing him” (he’s been down for 6 years and has 10 more to go) and that I’m “teasing a caged individual)
one time he even said during our sexting “I hate when you do this to me” is it really that bad?
I’s it wrong to sext my boyfriend who is in prison?
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