Guy Ritchie has vowed to keep very busy over the next five years, in order to concentrate on his career.The Snatch director, who is reportedly experiencing marriage difficulties with wife Madonna, signed on to write and direct a new movie about fictional detective Sherlock Holmes last month.That is only one of many projects the director has in the pipeline - He tells British newspaper the Daily Express; "It's my intention to be very busy over the next five years."(And) I think we probably have five or six projects that we're pretty sure we're going to make. I kind of fancy myself at making films quite quickly."