i find it hard to want to spend time with my son

its tough to admit but i find my child emotionally draining an hard work after a few hrs i need space from him .he goes my mums every weekend as i need a break she is also now saying she finding him hard work . he is not naughty he is just constant talkin an fidgeting answering back everyone is wrong he knows everythin his way is right , he struggles with simple tasks each day like get dressd do your buttons he never remembers thats what we do eash day so constanlty have repeat everything each day nothin seems to go in his head he has dispraxia with aspergers tendancies he almost ten an its getting more noticable that he stands out more . i love him dearly my unique boy but i dont enjoy time with him all he wants is computers when i was in hospital with collapsed lung few years back all he wanted was computers an he said things like well if u would have died i can go on my computers when i want. ive tried lots of things to spend time with him but if its not computers he dont want know me