On Wed, 14 Aug 2013 19:38:13 -0700 (PDT), bob haller
wrote:

the OP reports the carpet is 10 years old. aggresive stretching may rip it.....

at this point live with it, stretch it a little and live with it.....

or replace the carpet. 10 years is a long time for carpet..
We just replaced 20 year old carpet - still in good condition but
went to hardwood. Good carpet can last a LONG time. Cheap "berber",
not so long