Article seems to be quite biased imo. What about a lady's affinity for stuffed animals, her fav cuddle blanket, or fixation on chocolate bunny ears?  For those that do not want to check out the link, I pasted the criteria used by this "British" study to define maturity.  Personally, I think #9 is not only mature, but the only real option for guys.  Not sure if #17 makes me mature or just clueless since the only trainers I know are ones that I hope to avoid needing for a long, long time.
 

MEN'S TOP 30 MATURITY FAILINGS  

1.Finding their own farts and burps hilarious  

2.Eating fast food at 2:00am  

3.Playing videogames  

4.Driving too fast or 'racing' another car at the lights or on the motorway  

5.Sniggering a bit at rude words  

6.Driving with loud music  

7.Playing practical jokes  

8.Trying to beat children at games and sport  

9.Staying silent during an argument  

10.Not being able to cook simple meals  

11.Re-telling the same silly jokes and stories when with the lads  

12.Don't like talking about themselves/ having proper conversations  

13.Hating books/reading because of short attention span/they're boring  

14.Doing crazy dance moves  

15.Mum still doing their washing  

16.Having their Mum still make them breakfast/any meal  

17.Wearing trainers to night clubs  

18.Owning a skateboard or BMX  

19.Not eating vegetables  

20.Changing jobs regularly  

21.Getting too excited over stag do's  

22.Sometimes trying to do wheelies/stunts on their bike  

23.Driving a modified car or one with a loud exhaust/boy racer  

24.Showing off about how girls are attracted to them  

25.Wearing pyjamas, specifically cartoon pyjamas  

26.Using dodgy chat-up lines  

27.Showing off about protein shakes/weight-lifting/how much they 'lift'  

28.Littering  

29.Wearing saggy-crotched jeans  

30.Having a cartoon bedsprea

What's your point?

I am still anything but mature, and I plan on staying that way. lol

But I will concede that having kids will force you to be mature, no such issues here. Even well into my fifties, I still look at things from the child's perspective, not the parent's.

British survey.  General randomized interview questions, and does not appear to have a control group.  And ludicrous is the new norm for most of these "internet research" stories where the goal is to get people tweeting and talking about them moreso than providing quality, scientific data.  Kinda like some of the survey questions in TER discussion groups.

does that make me mature?

I do burp, fart, and ocassionally play video games, but I much prefer to play with Chicas. lol