A man who held his girlfriend hostage for two weeks will be held against his will in jail for six months.The man, Russell Ashland Collins, 43, entered guilty pleas before General Sessions Judge Bill Locke on charges of false imprisonment and domestic assault. He was directed to serve 75 percent of a six-month sentence behind bars. The charge of felony assault was dropped as a result of his plea agreement.Collins’ girlfriend told officers he held her captive inside his mother’s home on Gunter Road for two weeks, ranging from May 29 through June 12.