on-top postions for chunky girls

okay so my husband is 6ft and perfectly proportioned in every way. I'm a short 5'2 chunky girl, Im confident in my body and my husband makes me feel like the sexiest woman alive, but I'm having trouble figuring out good positions for me to be on top. every time I try I feel like I completely shut down and can't figure out good ways to ride him with me being short AND chunky. Hes on his way home from work and im super horny Give me some advice asap!!!! 😁✌💦💦💦