Khloe Kardashian “isn’t focused on dating”. The 39-year-old reality star – who has daughter True, six, and son Tatum, 21 months, with ex-boyfriend Tristan Thompson – is firmly focused on her work and her children, rather than her love life. A source told ‘Entertainment Tonight’: “She isn’t focused on dating and doesn’t want any outside distractions right now. Family always comes first for her and she is happy with where she’s at in her life.” Khloe and Tristan are actually “co-parenting well together”, in spite of their high-profile split. The insider said: “Tristan does his best to be as hand…