WRT to OLD getting more difficult as you get older, that's not my experience.
I've been on a few times over the last decade, and it went thus:
Age 35 (no kids) Guardian Soulmates for about a month: 1 crap date, 1 FWB, 1 person searching for a wife and helpmate who felt I fell short on a couple of points
- then I met someone truly, truly terrible in RL.
Age 38 (1child) on OKC for months without meeting or talking to anyone...met XP about 9 months in, and stayed with him for 2-3 years (have the terrible sensation I settled out of desperation).
Age 42 (2 kids) on OKC for a couple of months; had 1 terrible date, sent a few messages that weren't answered, plus one that was, and that was someone I ended up being with for 6 months.
Age 44 (now!) I've been on OKC and Bumble for about 6 weeks,and am definitely getting more messages than ever before on OKC alone, and plenty of matches on Bumble. None of which, so far, had come to fruition....until TODAY! 
Yes, that's right, I now have a date lined up with someone I shall call Mr Woo tomorrow night! We've only been chatting since Friday, but he stood out a mile- I'm pretty alternative and lefty, and it's quite difficult for me to find someone with similar interests and lifestyle, so when I saw his profile I was like "YOU MUST TALK TO ME NOW!!". He actually lives about 80 miles away, and is down here for work, hence me suggesting we meet up so quickly. I feel like a total cavewoman!
Of course, now I've got The Fear. He's got a couple of topless photos on his profile, doing a manly activity somewhere hot, and he's really pretty buff. I'm really pretty.....not. I haven't got a full length picture on my profile, quite simply because I haven't got any. I'm a size 14, at the top end of the "normal" weight band, and if I took a picture of myself in a bikini it'd look like a marshmallow with a rubber band wrapped tightly round it. Here's hoping I'll touch his perfect body with my mind, eh?