Flying by feel gets you killed. Anybody that flies in an instrument environment (airline or not) and tells you they don't get disoriented in the clouds is a damn liar. Instrument flying is all about the numbers and flying by the book, not the seat of your pants.

Keep your scan going. Tell yourself to keep moving. If you have to, tell yourself "Airspeed, Attitude, Heading, Attitude, Altitude, Attitude, Coordinator, Attitude" or whatever scan you like to use. The Instrument Flying handbook has a few different techniques. Try them.

Fly a few hours in IMC with an instructor in the right seat. The instrument rating is the one that will kill you fastest if you're not proficient.