Is this sentence grammatically correct ? Is it makes sense ?

[Joe333]

Dear friends I would be more than oblige if you could check this sentence and tell me it's correct or not. I want to know it makes sense or not. On grammar part I think all seems ok but still would be happy to know corrections from you if there is any. Here is my sentence: "I perhaps would have replied you sooner if my busyness was physically tiring not mentally"

Is it sounds ok to you ?

Thanks

[TheParser]

Dear friends I would be more than oblige if you could check this sentence and tell me it's correct or not. I want to know it makes sense or not. On grammar part I think all seems ok but still would be happy to know corrections from you if there is any. Here is my sentence: "I perhaps would have replied you sooner if my busyness was physically tiring not mentally"

Is it sounds ok to you ?

Thanks

***NOT A TEACHER***Maybe something like: I would have answered you sooner if my activities had been physically, rather than mentally, so exhausting.