Taking care of your appearance shows your able to take care of yourself & people around you as well; but you dont have to be looking like a celebrity for that.
I'm ugly as **** but do I care NO WAY! does it bother me if people think I'm ugly.....NO!......WHY?....cause there are uglier people than I am and I'm sure they're not bothered if people find them ugly......when I look in the mirror I see someone who is real!.....i'll rather be ugly and real than handsome and fake.
I try to take care of my self, and present myself in a decent manner, but I couldn't care less what others think nor am I too concerned.(Unless it's something like a formal dinner or a job interview.)
Of course I do. I think every person does and those who say otherwise lie. A guy/girl isn't gonna spot a girl/guy for the first time and say 'oh she/he has a beautiful personality i'm gonna go talk to her/him'. Appearance is important for first impression, otherwise personality is way more important.