I have not yet done any flying in Ireland, land of my forefathers (foremothers also). I am told that there are many fine grass airfields, none of which have papis etc. Aidan, Papis etc aren't for the likes of us in our dinky little machines. They are for people in heavy things who need to be on 3 degree glideslopes. Ask your instructor about flying by the picture you see as you look out the front. One way to judge if you are getting too low or staying too high is by looking at a fixed point such as the runway numbers: if they move up relative to a position on your windscreen, you are getting too low, if down, too high. Later on, you will find that you acquire a view and feel of when you are high (and may learn ways of dealing with this, starting with go arounds and moving on to side slipping) or too low (and learn to deal with this also, albeit usually via a few educational drag-it-in-through-the-weeds scenarios as the instructor chortles beside you, alert to take over or order the go-around if the nettles start to spoil the view). Sometimes, being too high or too low might depend on the type of circuit you are flying. Sometimes you might wish to come in steeper from a higher, closer position (eg if if your engine is dodgy or you are pretending that it is). I'm not sure that developing an early reliance on sticks with lights on which aren't found at most GA fields is a terribly good idea.