Originally Posted by: markantonelli7

So I've been trying to learn to play acoustic guitar for a little over 5 years now. In that time, it doesn't feel like I've made any progress. This is after spending at least 15 minutes practicing every day, as well as weekly 30 minute lessons. Is my lack of progress a function of not spending enough time practicing, or should I accept that I'll just never be able to play the guitar with any level of proficiency?

Take a break, try other instruments like piano drop the time restrictions and play until you are done for today or come back later or not at all.there is no right or wrong answer.