maybe not so much sick of it but sometimes I just can't be bothered in the evening or on a weekend to come on & Plurk

nope

sometimes it is nice to take a break from information overload.

not really, but I do get sick of my cell phone. I can close plurk and it doesn't bother me, but the cell is ALWAYS going off

yes.

not so far and it's been more than a year ...

not too often but I'm really sick of Twitter.

Twitter.

yes and no......sometimes I just don't have the energy to care about responding to my online friends but yet it has been a lifeline.

oh hell yes