 Booth tends to keep his personal and professional life as separate as possible and is quite territorial, especially in regards to his personal life and what he considers his personal space.This is exhibited by the fact that he displays his military medals and memorabilia in his office rather than in his home and his horrified reaction to Sweets using the master bathroom and helping Bones fold his underwear when the latter was temporarily staying with him and Bones in season 8.He is also extremely guarded and taciturn about most aspects of his personal life, namely his abusive father, troubled childhood, "love life" and traumatic experiences in the military.