Do loved ones make you stronger or more vulnerable?

Do you feel having loved ones makes you stronger of more vulnerable? In “Grilled”, episode 202 of Breaking Bad, hopped-up tweaker drug lord Tuco tells high-school-chemistry-teacher-cum-meth-chemist that he likes doing business with a family man because there is a lot of collateral. My immediate thought is that the fastest way to conquer Tuco would be [...]