Congratulations on your new hobby!! Looking good. If you are having trouble swinging your leg over the saddle, then you need to break down the steps for what you need to be able to do. You need to be able to stand up in your left stirrup to lift yourself out of the saddle first of all so maybe you could start practicing that, just putting weight into the left stirrup and trying to stand on that leg. Once you've got that down, practice leaning forward a little and standing, then start practicing lifting up the right leg. You could practice on the ground too until you are strong enough to lift your right leg high enough to clear the saddle. When you are mounting, think of what you are doing because dismounting is the reverse. If you can lift your right leg high enough to get on, then it's just the reverse. Goodluck to you!