So, I've been out of the game for about 4 years through a series of consecutive long term relationships that kind of fell into my lap. I used to be pretty decent at the whole dating thing and have been getting back into it lately. I'm finding that I can get a girl to be all over me at the bar (I don't do one night stands), but when I text her there is no response which is not something I ever used to encounter before.

Background information: I'm 23 years old and living in a college town. I am pretty confident and far from stupid. I've been told by a number of people that I'm attractive, though i'm not nearly in the same shape physically that I was 4 years ago. Working on dropping the extra 15-20 pounds and reshaping the biceps-but you can't tell either of those things when I wear a button up so I don't feel that could be a significant part of the issue. I dress fairly nicely, never in a tshirt. Most of the non-responsive numbers have been ones gotten while at the bar rather than girls met walking around during the day. A lower ratio of responses makes sense, but not to the extent i've been getting this semester. Oh, and frequently these girls will agree to meet me for lunch or coffee when we meet, even set up a day-though I don't set a time

TLDR: Girls that were all over me in the bar, touching and super interested are not responding when contacted later. Any thoughts on why?