At what age were you into L & C

[rickishi]

I had seen a F/m lift in a circus trapeze act when I was around 9, That time I had some strange strong reactions in mind but could not make out what it was.. when 12 my younger sister used to play pranks on me by suddenly creeping up from below between the legs and standing up piggybacking me. I really hated that for obvious reasons but she found it amusing looking at my reaction I guess.
The feeling got sexual around 18 when i was front lifted by some playing girls .... It is still going strong to this day