Could someone explain this better?

After going through my Madone 4.7 geometry and my Sirrus geometry and a few google searches I realized why I can't get on/off my Madone without crashing! If I understand what I read, I think it's in relation to head tube angle/rake/trail angles and numbers.

If I lay my Madone bike at an angle to get on/off, the wheel "flops" over given the numbers on Trek's site and I end up eating pavement or the bike falling into me. Add in that the bike's top tube is straight and I really struggle between "flop" and getting over that bar. It makes for a faster bike but less stable if I got the angle relationships right and understood what I was reading.

My Sirrus has the same measurement for the top tube but has different angles making more stable but not as fast. It's amazing what a couple of degrees make on a bike.

I feel SO much better after discovering this. It's not me being clumsy or inept at riding my Madone. It's how the bike was designed to react and when I overcompensate, the bike does this to me.

Now to figure out how to get on/off without making the front wheel "flop". I love this bike as she flies so fast and races down hills with ease. It's getting on/off that makes me scared to use her.