Singleitis is a condition where it is impossible for you to be single for a long period of time and you must have a boyfriend/girlfriend otherwise you go crazy. it is a rare condition and few people have it but those who do find it very hard not to have a boyfriend or girlfriend for long periods of time
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.