The cell membrane maintain in the cell by controlling what comes in and out of the cell.
proper organelle levels
proper size
homeostasis
temperature
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how to know you're in love with someone you've just started getting to know can be a bit tricky because — feelings aside — they are technically still a stranger to you. although you might feel the urge to dive in and start professing your undying love for them asap, it's important to remember that it can be easy to confuse feelings of immense attraction with actual love.

depends where it is? i got mine on my arm and from 1-10 it was a 3 different spots react differently