For the record, Southwestern played football against Texas A&M 18 times and only scored 13 points, but the Aggies did have the home-field advantage:
Sep 20, 1947 AT Texas A&M Southwestern University (W) 48 - 0
Sep 19, 1931 AT Texas A&M Southwestern University (W) 33 - 0
Sep 27, 1930 AT Texas A&M Southwestern University (W) 43 - 0
Sep 28, 1929 AT Texas A&M Southwestern University (W) 54 - 7
Sep 29, 1928 AT Texas A&M Southwestern University (W) 21 - 0
Oct 01, 1927 AT Texas A&M Southwestern University (W) 31 - 0
Oct 02, 1926 AT Texas A&M Southwestern University (W) 35 - 0
Oct 03, 1925 AT Texas A&M Southwestern University (W) 23 - 6
Oct 04, 1924 AT Texas A&M Southwestern University (W) 54 - 0
Oct 06, 1923 AT Texas A&M Southwestern University (W) 13 - 0
Oct 14, 1922 AT Texas A&M Southwestern University (W) 33 - 0
Nov 22, 1919 AT Texas A&M Southwestern University (W) 7 - 0
Nov 09, 1918 AT Texas A&M Southwestern University (W) 7 - 0
Oct 20, 1917 AT Texas A&M Southwestern University (W) 20 - 0
Sep 30, 1916 AT Texas A&M Southwestern University (W) 6 - 0
Oct 07, 1911 AT Texas A&M Southwestern University (W) 22 - 0
Nov 19, 1910 AT Texas A&M Southwestern University (W) 6 - 0
Nov 21, 1908 AT Texas A&M Southwestern University (W) 32 - 0
So we aren't known for having "manly" men. It hasn't changed much since then--the last time I was on campus I didn't see any possible linebackers for the team.
For the record, we did beat Texas the first time we played each other (11-9 in 1908) and one more time (14-7 in 1943) when we won the Sun Bowl that season.